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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EquipmentDepositsAndAdvancePaymentsForCapitalEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equipment Deposits and Advance Payments for Capital Equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EquipmentDepositsAndAdvancePaymentsForCapitalEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equipment Deposits And Advance Payments For Capital Equipment Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EquipmentDepositsAndAdvancePaymentsForCapitalEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for equipment deposits and advance payments for capital equipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetRetirementObligationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Retirement Obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetRetirementObligationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Retirement Obligation [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible Assets, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistancePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Government Grants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistancePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Government Assistance [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leases</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Leases [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for other assets.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of Goods Sold</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Goods and Service [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationNetLiabilitiesAcquiredInMergerTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Net Liabilities Acquired in Merger</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationNetLiabilitiesAcquiredInMergerTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Net Liabilities Acquired In Merger Table Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationNetLiabilitiesAcquiredInMergerTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of net liabilities acquired in merger.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Destination of Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCUnitholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EM LLC Unitholders [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCUnitholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMLLCUnitholders Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KoreanCompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Korean Companies [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KoreanCompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Korean Companies Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedContractCostLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse Recapitalization [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Issued common shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">New shares issued pursuant to WTMA extensions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon settlement of the EM Share Obligations (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, New Issues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Converted common stock (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Stock, Shares Converted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Closing date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Closing Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ClosingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Closing date.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Par value per share (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Common Stock, Par or Stated Value Per Share (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CustomerAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer A [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CustomerAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer AMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CustomerBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer B [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CustomerBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer BMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CustomerCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer C [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CustomerCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer CMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NetWorkingCapitalDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net working capital deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NetWorkingCapitalDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Working Capital Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NetWorkingCapitalDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of accumulated undistributed earnings (deficit).</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFDICInsuredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Insured limits amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFDICInsuredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, FDIC Insured Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, after Allowance for Credit Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combination, Price Per Share (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectOperatingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Direct costs and fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectOperatingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Direct Operating Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred transaction costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositsAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositsAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deposits Assets, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PensionObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pension obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PensionObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pension Obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PensionObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of pension obligation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NoncurrentObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncurrent obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NoncurrentObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncurrent Obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NoncurrentObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of noncurrent obligations.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedContractCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse Recapitalization [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCMemberUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EM LLC Member Units [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCMemberUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMLLCMember Units Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Commitments with Financial Institutions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitments [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PriorPeriodAdjustmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restatement of Prior Period Financial Statements [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedBalanceSheetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Audited Condensed Consolidated Balance Sheet</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Unaudited Condensed Consolidated Statement of Cash Flows</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Cash Flow Statement [Table Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares outstanding (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WTMARights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">WTMA Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WTMARights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">WTMARights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WTMARights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The WTMA rights.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PrivatePlacementRightsAndNewBoard_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Rights And New Board</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PrivatePlacementRightsAndNewBoard_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of private placement rights and new board member.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Common shares issued (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares of common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total shares of common stock immediately after Closing Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares authorized (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Common stock, shares authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashNetOfRedemptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash Net Of Redemptions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashNetOfRedemptions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of cash net of redemptions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WelsbachTechnologyMetalsAcquisitionCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">WTMA [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WelsbachTechnologyMetalsAcquisitionCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Welsbach Technology Metals Acquisition Corp Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Benchmark [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Benchmark [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Significant Accounting Policies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCCommonUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EM LLC Common Units [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCCommonUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMLLCCommon Units Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCConvertiblePreferredUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EM LLC Convertible Preferred Units [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCConvertiblePreferredUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMLLCConvertible Preferred Units Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Current portion of long-term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Long-Term Debt, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EvolutionMetalsLLCKoreaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Evolution Metals LLC (Korea) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EvolutionMetalsLLCKoreaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Evolution Metals LLCKorea Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KoreaDREMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Korea DRE [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KoreaDREMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Korea DREMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Description of Organization and Business Operations [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashProceeds_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash proceeds (in Dollars)</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashProceeds_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash proceeds.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term fixed interest rate</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Holding company ownership percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investment, Ownership Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Basic and Diluted Net Loss Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EM LLC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMLLCMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsContingenciesAndGuaranteesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of List of Payment Guarantees Provided by Third Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsContingenciesAndGuaranteesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments Contingencies And Guarantees Table Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsContingenciesAndGuaranteesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The tabular disclosure for commitments, contingencies, and guarantees.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfShareOwnershipOfEmTCommonStockAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Share Ownership Of Em TCommon Stock Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReverseRecapitalizationScheduleofShareOwnershipofEMTCommonStockDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse Recapitalization - Schedule of Share Ownership of EM&amp;T Common Stock (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_HistoricalEMLLCMemberUnitsVotingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Historical EM LLC Member Units (Voting) [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_HistoricalEMLLCMemberUnitsnonvotingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Historical EMLLCMember Unitsnonvoting Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMShareObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EM Share Obligations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMShareObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMShare Obligations Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMTCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EM&amp;T Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMTCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMTCommon Stock Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReverseRecapitalizationScheduleofShareOwnershipofEMTCommonStockDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share Ownership of EM&amp;T Common Stock [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfNetLiabilitiesAcquiredInMergerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Net Liabilities Acquired In Merger Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReverseRecapitalizationScheduleofNetLiabilitiesAcquiredinMergerDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse Recapitalization - Schedule of Net Liabilities Acquired in Merger (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combination [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Series of Individually Immaterial Business Combinations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Net Liabilities Acquired in Merger [Line Items]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net liabilities assumed</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedReverseRecapitalizationNetTheMerger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Reverse Recapitalization Net The Merger</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedReverseRecapitalizationNetTheMerger_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of reverse recapitalization net the merger.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: cash proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net assets acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationConsiderationTransferredSettlementOfPreexistingRelationship_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement of preexisting relationship</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationConsiderationTransferredSettlementOfPreexistingRelationship_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Consideration Transferred Settlement Of Preexisting Relationship</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationConsiderationTransferredSettlementOfPreexistingRelationship_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of settlement of preexisting relationship.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total estimated consideration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionsScheduleofPreliminaryAllocationofPurchasePricetoAssetsAcquiredDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions - Schedule of Preliminary Allocation of Purchase Price to Assets Acquired (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combination [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebenturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debentures [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebenturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debentures Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ASecondConvertibleDebentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">A Second Convertible Debenture [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ASecondConvertibleDebentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ASecond Convertible Debenture Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FirstConvertibleDebentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First Convertible Debenture [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FirstConvertibleDebentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Convertible Debenture Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuedPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuedPrincipal_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Principal amount of convertible debenture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuedPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Principal amount (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuedPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Issued, Principal</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion price per share (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Conversion prices (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Conversion price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Convertible promissory notes &#8211; related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory notes outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Outstanding Convertible Debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdditionalConvertibleDebentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional in convertible debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdditionalConvertibleDebentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Convertible Debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdditionalConvertibleDebentures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of additional in convertible debentures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase price per share (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of volume-weighted average price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Weighted Average Interest Rate, at Point in Time</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DerivativeLiabilitiesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liabilities (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryAdjustments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Inventory reserve</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Adjustments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total inventory, net of provision</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventories, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Inventories</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccruedCouponInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued coupon interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccruedCouponInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Coupon Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccruedCouponInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of accrued coupon interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdditionalConvertiblePreferredUnitAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional convertible preferred unit agreements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdditionalConvertiblePreferredUnitAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Convertible Preferred Unit Agreements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdditionalConvertiblePreferredUnitAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of additional convertible preferred unit agreements.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReportingUnitAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reporting Unit [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NSWorldMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">NS World [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NSWorldMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">NSWorld Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Class [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Class [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DevelopedTechnologyRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Developed technology [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DevelopedTechnologyRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Developed Technology Rights [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Customer relationships [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Existing customer relationships [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Relationships [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SoftwareInDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SoftwareInDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Software, In-Development [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Asset, Class [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReportingUnitDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reporting Unit [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Contract [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consecutive trading days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Consecutive Trading Days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfBeneficialOwnershipLimitation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of beneficial ownership limitation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfBeneficialOwnershipLimitation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Beneficial Ownership Limitation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfBeneficialOwnershipLimitation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of beneficial ownership limitation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bears interest at an annual rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfPaymentPremiumAndAccruedAndUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of payment premium and accrued and unpaid interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfPaymentPremiumAndAccruedAndUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Payment Premium And Accrued And Unpaid Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfPaymentPremiumAndAccruedAndUnpaidInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of payment premium and accrued and unpaid interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfOutstandingConvertibleDebentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of outstanding convertible debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfOutstandingConvertibleDebentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Outstanding Convertible Debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfOutstandingConvertibleDebentures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of fair value of outstanding convertible debentures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Other Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of common shares to be issued on cash obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Accounts Payable and Accrued Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Derivative payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash obligation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfProRataConvertiblePreferredUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of pro rata convertible preferred units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfProRataConvertiblePreferredUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Pro Rata Convertible Preferred Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfProRataConvertiblePreferredUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of pro rata convertible preferred units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company&#8217;s convertible preferred units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Preferred Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of  convertible preferred units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueMeasurementsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property, plant, and equipment, gross (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: accumulated depreciation (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, plant, and equipment, net (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property, plant and equipment, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Property, plant and equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfPropertyPlantAndEquipmentNetPledgedAsCollateralAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Property Plant And Equipment Net Pledged As Collateral Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantandEquipmentNetScheduleofPropertyPlantAndEquipmentNetPledgedasCollateralDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net - Schedule of Property, Plant And Equipment, Net Pledged as Collateral (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentCreditorDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Creditor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentCreditorDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Creditor Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentCreditorDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Indicates description of creditor.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfChangesInTheCarryingValueOfGoodwillAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Changes in the Carrying Value of Goodwill [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OverdueMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Overdue maturities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OverdueMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Overdue Maturities Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Related Party Transactions [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OperatingFundsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Funds Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OperatingFundsLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Funds Loan Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IndividualCashLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Individual cash loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IndividualCashLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Individual Cash Loan Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WorkingCapitalLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Working Capital Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WorkingCapitalLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Working Capital Loans Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FacilityLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Facility Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FacilityLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Facility Loans Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LongTermRelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Term Related Party [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LongTermRelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Related Party Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCapitalizationLongtermDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentForAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentForAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated future amortization expense for the remainder</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognize annual amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Estimated Amortization Expense, after Year Five</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Identifiable intangible assets, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterials_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Raw materials</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterials_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Raw materials purchased</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterials_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Raw Materials, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InventoryIndirectMaterials_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Indirect materials</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InventoryIndirectMaterials_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Indirect Materials</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InventoryIndirectMaterials_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of indirect materials.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherInventoryInTransit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventory in transit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherInventoryInTransit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Inventory, in Transit, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Work in process</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Work in Process, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryFinishedGoods_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finished goods</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryFinishedGoods_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Finished Goods, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total intangible assets, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Excluding Goodwill, after Accumulated Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfShortTermDebtAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Short Term Debt Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShortTermDebtTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NoFixedMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">No fixed maturity [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NoFixedMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">No Fixed Maturity Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_October2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_October2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October2026 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_March2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2027 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_March2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March2027 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_April2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 2027 [Member}</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_April2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April2027 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_June2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 2027 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_June2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June2027 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DebtDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LiabilitiesAbstract0_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LiabilitiesAbstract0_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Abstract0</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">July Investment Agreement Derivative</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">July investment agreement derivative</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CPU Share Allocation Obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CPUShare Allocation Obligation Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of CPU share allocation obligations.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfFairValueUsingSignificantUnobservableInputsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Fair Value Using Significant Unobservable Inputs Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instrument [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_JulyInvestmentAgreementDerivativeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">July Investment Agreement Derivative [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_JulyInvestmentAgreementDerivativeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">July Investment Agreement Derivative Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CPU Share Allocation Obligations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CPUShare Allocation Obligations Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debentures [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-lived Intangible Assets Amortized Using Straight-line Method [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible Asset, Finite-Lived [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfNonTradeAccountsReceivableAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Non Trade Accounts Receivable Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts and Financing Receivables [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivable Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivableTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivable [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Loan Receivable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShortTermLoanReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term loan receivable - related parties [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShortTermLoanReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Loan Receivable Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Noncontrolling interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total purchase price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Less Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfFiniteLivedIntangibleAssetsAmortizedUsingStraightLineMethodAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Finite Lived Intangible Assets Amortized Using Straight Line Method Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KCMMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KCM [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KCMMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KCMMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfPreliminaryAllocationOfPurchasePriceToAssetsAcquiredAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Preliminary Allocation Of Purchase Price To Assets Acquired Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_HandaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Handa [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_HandaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Handa Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KMMIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KMMI [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KMMIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KMMIMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NSWMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">NSW [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NSWMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">NSWMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses and other current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property, plant and equipment, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other noncurrent assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromLoansReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Proceeds from notes receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromLoansReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for (Proceeds from) Loans Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAcquiredFromAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash acquired in Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAcquiredFromAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Acquired from Acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in investing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in investing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from financing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from short-term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Short-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of short-term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Short-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of current portion of long-term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Long-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitsIssuedInExchangeForSubscriptionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of convertible preferred units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitsIssuedInExchangeForSubscriptionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Preferred Units Issued In Exchange For Subscription Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitsIssuedInExchangeForSubscriptionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible preferred units issued in exchange for subscription receivable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by financing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by financing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of exchange rate changes on cash and cash equivalents, and restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net decrease in cash, cash equivalents and restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and cash equivalents, and restricted cash, as of beginning of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash and cash equivalents, and restricted cash, as of end of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReverseRecapitalizationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse Recapitalization Disclosure Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReverseRecapitalizationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure of reverse recapitalization.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisitions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsReceivableAndPayableAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-trade Accounts Receivable and Payable [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Prepaid expenses and other assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Inventories</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Inventories</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IncreaseDecreaseInDeferredTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred transaction costs</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other current liabilities</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputAdditionalShareAllocationPercentageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Additional share allocation percentages [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputAdditionalShareAllocationPercentageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Additional Share Allocation Percentage Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputPrincipleOutstandingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal outstanding [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputPrincipleOutstandingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Principle Outstanding Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputCompanyCommonStockPriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company common stock price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputCompanyCommonStockPriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Company Common Stock Price Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity volatility [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Price Volatility [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Discount Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputPaymentPremiumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment Premium [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputPaymentPremiumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Payment Premium Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EquityScheduleofConversionRatioforConvertiblePreferredUnitsIssuedDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity - Schedule of Conversion Ratio for Convertible Preferred Units Issued (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_March2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2024 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_March2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March2024 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_April2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 2024 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_April2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April2024 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_May2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 2024 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_May2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May2024 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_June2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 2024 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_June2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June2024 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_July2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">July 2024 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_July2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">July2024 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IncomeTaxDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxContingencyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationLikelihoodOfUnfavorableSettlement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of sustained on examination by taxing authorities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationLikelihoodOfUnfavorableSettlement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination, Likelihood of Unfavorable Settlement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASSETS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIABILITIES AND STOCKHOLDERS&#8217; DEFICIT</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncontrolling interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and stockholders&#8217; deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities and members&#8217; deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesIssuedDuringIssuesNoncontrollingInterestsResultingFromTheBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncontrolling interests resulting from the Business Combination (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesIssuedDuringIssuesNoncontrollingInterestsResultingFromTheBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued During Issues Noncontrolling Interests Resulting From The Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesIssuedDuringIssuesNoncontrollingInterestsResultingFromTheBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The shares noncontrolling interests resulting from the Business Combination.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareIssuanceUponConversionOfConvertiblePreferredUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon conversion of convertible preferred units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareIssuanceUponConversionOfConvertiblePreferredUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Issuance Upon Conversion Of Convertible Preferred Unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareIssuanceUponConversionOfConvertiblePreferredUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of share issuance upon conversion of convertible preferred units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_StockIssuedDuringPeriodSharesShareIssuanceUponConversionOfConvertiblePreferredUnitsinShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon conversion of convertible preferred units (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_StockIssuedDuringPeriodSharesShareIssuanceUponConversionOfConvertiblePreferredUnitsinShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Share Issuance Upon Conversion Of Convertible Preferred Unitsin Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_StockIssuedDuringPeriodSharesShareIssuanceUponConversionOfConvertiblePreferredUnitsinShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares of share issuance upon conversion of convertible preferred units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon settlement of the EM Share Obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, New Issues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock for acquisitions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Acquisitions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareIssuanceUponConversionOfConvertiblePreferredUnitsHeldByNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon conversion of convertible preferred units held by noncontrolling interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareIssuanceUponConversionOfConvertiblePreferredUnitsHeldByNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Decreased in non controlling interest balance (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareIssuanceUponConversionOfConvertiblePreferredUnitsHeldByNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Issuance Upon Conversion Of Convertible Preferred Units Held By Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareIssuanceUponConversionOfConvertiblePreferredUnitsHeldByNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of share issuance upon conversion of convertible preferred units held by noncontrolling interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesDuringIssuedSharesShareIssuanceUponConversionOfConvertiblePreferredUnitsHeldByNoncontrollingInterestinS_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon conversion of convertible preferred units held by noncontrolling interest (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesDuringIssuedSharesShareIssuanceUponConversionOfConvertiblePreferredUnitsHeldByNoncontrollingInterestinS_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares During Issued Shares Share Issuance Upon Conversion Of Convertible Preferred Units Held By Noncontrolling Interestin S</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesDuringIssuedSharesShareIssuanceUponConversionOfConvertiblePreferredUnitsHeldByNoncontrollingInterestinS_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of share issuance upon conversion of convertible preferred units held by noncontrolling interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital (in Dollars)</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock base amount (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock $0.0001 par value, 1,500,000,000 shares authorized, 621,790,646 and 0 shares issued and outstanding as of June 30, 2026 and December 31, 2025</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-based compensation expense (in Dollars)</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Noncash Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_UnitsIssuedPeriodSharesIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_UnitsIssuedPeriodSharesIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units Issued Period Shares Issues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_UnitsIssuedPeriodSharesIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">It represents issuance of units to voting member.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_UnitsIssuedPeriodOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding of units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_UnitsIssuedPeriodOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units Issued Period Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_UnitsIssuedPeriodOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">It represents outstanding of shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Convertible preferred units outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Preferred Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleSharesIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Converted shares of common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleSharesIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">New EM common shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleSharesIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Convertible, Shares Issuable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend per annum</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Dividend Rate, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreferenceValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liquidation preference (in Dollars)</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debentures [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debenture Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsandContingenciesDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OutstandingContractualCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding contractual commitment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OutstandingContractualCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outstanding Contractual Commitment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OutstandingContractualCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of outstanding contractual commitment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Attorners fees</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Long-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingInsuranceAndClaimsCostsProduction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Insurance claims</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingInsuranceAndClaimsCostsProduction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Insurance and Claims Costs, Production</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Principal amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurements assumptions (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outstanding principal balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstarct]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SubsequentEventsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GuaranteeObligationsNatureDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Guarantor Obligations, Nature [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Potential Common Shares Excluded from Diluted Loss Per Share [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Per Share [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SGI (Seoul Guarantee Insurance) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGISeoul Guarantee Insurance Five Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SGI (Seoul Guarantee Insurance) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGISeoul Guarantee Insurance Six Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceSevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SGI (Seoul Guarantee Insurance) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceSevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGISeoul Guarantee Insurance Seven Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KIBOKoreaTechnologyFinanceCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KIBO(Korea Technology Finance Corporation) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KIBOKoreaTechnologyFinanceCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KIBOKorea Technology Finance Corporation Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GuaranteeObligationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of List of Payment Guarantees Provided by Third Parties [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GuaranteeObligationsType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GuaranteeObligationsType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Guarantee Obligations Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GuaranteeObligationsType_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Describe of type of guarantee provider.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AsPreviouslyReportedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">As Previously Reported</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AsPreviouslyReportedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">As Previously Reported Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders&#8217; deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total members&#8217; deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdjustmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdjustmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor loan advances and deemed contributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period, Adjustment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedCashFlowStatementsCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Unaudited Condensed Consolidated Statement of Cash Flows [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashFlowsFromOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from operating activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashFlowsFromOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flows From Operating Activities Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for credit losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Credit Loss Expense (Reversal)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InvestorExpensesIncurredOnBehalfOfCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor expenses incurred on behalf of Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InvestorExpensesIncurredOnBehalfOfCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor Expenses Incurred On Behalf Of Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InvestorExpensesIncurredOnBehalfOfCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investor expenses incurred on behalf of Company.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioPreviouslyReportedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Previously Reported [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioPreviouslyReportedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Previously Reported</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioPreviouslyReportedMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">As Previously Reported [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioPreviouslyReportedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Previously Reported [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in operating activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in operating activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashFlowsFromInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from investing activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashFlowsFromInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flows From Investing Activities Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvanceNoteReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advance &#8212; note receivable related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvanceNoteReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advance Note Receivable Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvanceNoteReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advance &#8212; note receivable related parties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashFlowsFromFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from financing activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CashFlowsFromFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flows From Financing Activities Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConstructiveDisbursementsToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Constructive disbursements to related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConstructiveDisbursementsToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Constructive Disbursements To Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConstructiveDisbursementsToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of constructive disbursements to related party.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from operating activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of convertible debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Change in fair value - credit risk</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Adjustment of Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaidInKindInterests_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Paid in kind &#8211; interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaidInKindInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Paid In Kind Interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaidInKindInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Paid in kind interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-cash others</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noncash Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in operating assets and liabilities, net of effects from acquisitions:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Trade accounts receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-trade accounts receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts and Other Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsReceivableAndPayableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade Accounts Receivable and Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsReceivableAndPayableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Trade Accounts Receivable And Payable Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsReceivableAndPayableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure for non-trade accounts receivable and payable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputCCCCreditRatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CCC credit rating [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputCCCCreditRatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input CCCCredit Rating Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputPresentValueFactorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Present value factor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputPresentValueFactorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Present Value Factor Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputProbabilityOfBusinessCombinationCloseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Probability of Business Combination close [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputProbabilityOfBusinessCombinationCloseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Probability Of Business Combination Close Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputMarketAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Market adjustment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputMarketAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Market Adjustment Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputExpectedCompanyFullyDilutedOwnershipOfNewEMMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected Company fully diluted ownership of New EM [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MeasurementInputExpectedCompanyFullyDilutedOwnershipOfNewEMMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Expected Company Fully Diluted Ownership Of New EMMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurements assumptions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Measurement Input</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfUnauditedCondensedConsolidatedStatementsOfChangesInStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Unaudited Condensed Consolidated Statements Of Changes In Stockholders Equity Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating segment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReportableSegmentAggregationBeforeOtherOperatingSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReportableSegmentAggregationBeforeOtherOperatingSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reportable Segment, Aggregation before Other Operating Segment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SegmentSalariesAndBonusesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment salaries and bonuses [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SegmentSalariesAndBonusesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Salaries And Bonuses Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade accounts payable &#8211; related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other payables - related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nontrade Accounts Payable Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of non-trade accounts payable - related parties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt &#8211; related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of short term debt - related parties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current portion of long-term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Current Maturities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePromissoryNotesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePromissoryNotesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Notes Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePromissoryNotesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as convertible promissory notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CPU Share Allocation Obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">CPU share allocation obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CPUShare Allocation Obligation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of CPU share allocation obligations.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other current liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities and Other Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Excluding Current Maturities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock for acquisitions (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Acquisitions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReclassOfCPUShareAllocationObligationsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclass of CPU Share Allocation Obligations to equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReclassOfCPUShareAllocationObligationsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclass Of CPUShare Allocation Obligations To Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReclassOfCPUShareAllocationObligationsToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of reclass of CPU share allocation obligations to equity.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Foreign currency translation adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ActuariallossGainOnDefinedSeveranceBenefitsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actuarial (loss) gain on defined severance benefits, net of tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ActuariallossGainOnDefinedSeveranceBenefitsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Actuarialloss Gain On Defined Severance Benefits Net Of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ActuariallossGainOnDefinedSeveranceBenefitsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of actuarial (loss) gain on defined severance benefits, net of tax.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SubscriptionProceedsReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription proceeds received</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SubscriptionProceedsReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Proceeds Received</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SubscriptionProceedsReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">the amount of subscription proceeds received.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForOtherCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in provision for losses on valuation of inventories</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForOtherCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Provision for credit losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForOtherCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision for Other Credit Losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation, Depletion and Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Operating and Nonoperating</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PensionBenefitsProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pension benefits provision</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PensionBenefitsProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pension Benefits Provision</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PensionBenefitsProvision_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Pension Benefits Provision.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossRelatedToLitigationSettlement_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on settlement of preexisting relationship</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossRelatedToLitigationSettlement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) from Litigation Settlement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental cash flow information:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taxes paid</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, after Refund Received</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FranchiseTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest paid</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FranchiseTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Franchise Taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FranchiseTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of franchise tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosure of noncash investing and financing activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NoncashConsiderationAssumedInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition of business, deferred consideration payable included in non-trade accounts payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NoncashConsiderationAssumedInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncash Consideration Assumed In Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NoncashConsiderationAssumedInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Noncash consideration assumed in Business Combination.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionOfBusinessSharesOfCommonStockExchanged_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition of business, shares of common stock exchanged</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionOfBusinessSharesOfCommonStockExchanged_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Of Business Shares Of Common Stock Exchanged</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionOfBusinessSharesOfCommonStockExchanged_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition of business, shares of common stock exchanged.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NetNoncashLiabilitiesAssumedInReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse recapitalization, net non-cash liabilities assumed and settlement of preexisting relationship</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NetNoncashLiabilitiesAssumedInReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Noncash Liabilities Assumed In Reverse Recapitalization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NetNoncashLiabilitiesAssumedInReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net non-cash liabilities assumed in reverse recapitalization.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReclassificationOfCPUShareAllocationObligationFromLiabilityToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification of CPU Share Allocation Obligation from liability to equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReclassificationOfCPUShareAllocationObligationFromLiabilityToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassification Of CPUShare Allocation Obligation From Liability To Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReclassificationOfCPUShareAllocationObligationFromLiabilityToEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reclassification of CPU Share Allocation Obligation from liability to equity.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IssuanceOfCommonStockForSettlementOfJulyInvestmentAgreementDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock for settlement of July Investment Agreement Derivative liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IssuanceOfCommonStockForSettlementOfJulyInvestmentAgreementDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Common Stock For Settlement Of July Investment Agreement Derivative Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IssuanceOfCommonStockForSettlementOfJulyInvestmentAgreementDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of common stock for settlement of July Investment Agreement Derivative liabilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IssuanceOfCommonStockForSettlementOfCPUShareAllocationObligationsLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock for settlement of CPU Share Allocation Obligations liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IssuanceOfCommonStockForSettlementOfCPUShareAllocationObligationsLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Common Stock For Settlement Of CPUShare Allocation Obligations Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IssuanceOfCommonStockForSettlementOfCPUShareAllocationObligationsLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of common stock for settlement of CPU Share Allocation Obligations liabilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfCPUShareAllocationObligationsIssuedInConnectionWithIssuanceOfCertainCon_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of CPU Share Allocation Obligations issued in connection with issuance of certain convertible preferred units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfCPUShareAllocationObligationsIssuedInConnectionWithIssuanceOfCertainCon_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of CPUShare Allocation Obligations Issued In Connection With Issuance Of Certain Con</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfCPUShareAllocationObligationsIssuedInConnectionWithIssuanceOfCertainCon_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of CPU Share Allocation Obligations issued in connection with issuance of certain.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DeferredTransactionCostsIncludedWithinAccountsPayableAndAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred transaction costs included within accounts payable and accrued expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DeferredTransactionCostsIncludedWithinAccountsPayableAndAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Transaction Costs Included Within Accounts Payable And Accrued Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DeferredTransactionCostsIncludedWithinAccountsPayableAndAccruedExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred transaction costs included within accounts payable and accrued expenses.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Description of Organization and Business Operations [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EquityClassifiedCPUShareAllocationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Equity Classified CPU Share Allocation [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EquityClassifiedCPUShareAllocationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity-classified CPU Share Allocation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EquityClassifiedCPUShareAllocationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Classified CPUShare Allocation Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Noncontrolling Interest [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_VWAPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">VWAP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_VWAPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VWAPMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_RelatedPartyTransactionsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMTAsiaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EMT Asia [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMTAsiaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMTAsia Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareholderLoanAdvancesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholder Loan Advances [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareholderLoanAdvancesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholder Loan Advances Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMTAsiaCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EMT Asia Co, Ltd [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMTAsiaCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMTAsia Co Ltd Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NPCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">N&amp;P Co.Ltd [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NPCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">NPCo Ltd Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title and Position [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title and Position [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DavidWilcoxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">David Wilcox [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DavidWilcoxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">David Wilcox Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SubsidiaryExecutivesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsidiary Executives [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SubsidiaryExecutivesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary Executives Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forecast [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forecast [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvancePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advance payments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvancePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advance Payments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvancePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of advance payments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LoanAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan advances</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LoanAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Advances</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LoanAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount loan advances.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Selling general and administrative expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selling, general and administrative</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selling, General and Administrative Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NontradeReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non trade receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NontradeReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Non-trade accounts receivable, net of provision for credit losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NontradeReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nontrade Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonconsolidatedVIEsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nonconsolidated VIEs [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonconsolidatedVIEsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonconsolidated VIEs Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableInterestEntityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-Consolidated Variable Interest Entities [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Corporate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Corporate Segment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Cost of sales</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cost of sales</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss attributable to common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares outstanding - basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares outstanding - diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss per share - basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss per share - diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current assets:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, after Allowance for Credit Loss, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NontradeReceivablesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade accounts receivable, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NontradeReceivablesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nontrade Receivables, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade accounts receivable &#8211; related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nontrade Accounts Receivable Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of non-trade accounts receivable - related parties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses and other current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LongTermDebtrelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long term debt &#8211; related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LongTermDebtrelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debtrelated Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LongTermDebtrelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of long term debt - related parties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebenturesNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebenturesNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debentures Non Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebenturesNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of convertible debentures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other noncurrent liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies (Note 19)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders&#8217; Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitsNote13Equity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible preferred units (Note 13 &#8211; Equity)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitsNote13Equity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Preferred Units Note13 Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitsNote13Equity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible preferred units (Note 13 - Equity).</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance to advisors as consideration for services</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Issued for Services</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance to advisors as consideration for services (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Issued for Services</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InvestorDeemedContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor deemed contributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InvestorDeemedContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor Deemed Contributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_InvestorDeemedContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of investor deemed contributions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfConvertibleDebenturesAttributedToCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of convertible debentures attributed to credit risk</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfConvertibleDebenturesAttributedToCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In Fair Value Of Convertible Debentures Attributed To Credit Risk</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfConvertibleDebenturesAttributedToCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of change in fair value of convertible debentures attributed to credit risk.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_VotingMemberUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Voting Member Units Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonVotingMemberUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Voting Member Units Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Preferred Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Preferred Units Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CPU Share Allocation [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CPUShareAllocationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CPUShare Allocation Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Recognized equity (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExcessStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares of common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExcessStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excess Stock, Shares Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Grant date fair value (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of grant date fair value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid-in Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Additional Paid-in Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SubscriptionReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SubscriptionReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Receivable Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accumulated Deficit [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MembersDeficitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Members&#8217; Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MembersDeficitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members Deficit Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of convertible preferred units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Conversion of Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of convertible preferred units (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Conversion of Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReverseRecapitalizations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse recapitalization</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ReverseRecapitalizations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of reverse recapitalization.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse recapitalization (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares of common stock (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesIssuedDuringNoncontrollingInterestsResultingFromTheBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncontrolling interests resulting from the Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesIssuedDuringNoncontrollingInterestsResultingFromTheBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued During Noncontrolling Interests Resulting From The Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SharesIssuedDuringNoncontrollingInterestsResultingFromTheBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of shares issued during non controlling interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from investing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases of property, plant and equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentsForLeaseholdDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payments for leasehold deposits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentsForLeaseholdDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments For Leasehold Deposits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentsForLeaseholdDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of payments for leasehold deposits.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherDeposits_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Decrease in leasehold deposits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for (Proceeds from) Other Deposits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireNotesReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Issuance of notes receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireNotesReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Notes Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payment for acquisition of business</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition related costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentOfLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payment of lease liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentOfLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Of Lease Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentOfLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment of lease liabilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentsToEffectuateReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash assumed in reverse recapitalization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentsToEffectuateReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Effectuate Reverse Recapitalization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PaymentsToEffectuateReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to effectuate reverse recapitalization.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Total Consideration Transferred for Each Acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Provisional Amounts are Subject to Change, and any Adjustments are Expected to be Completed within the One-Year Measurement Period</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Finite-lived Intangible Assets Amortized Using Straight-line Method</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Pro Forma Financial Information</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Property, Plant and Equipment, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentNetPledgedAsCollateralTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Property, Plant And Equipment, Net Pledged as Collateral</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentNetPledgedAsCollateralTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of property, plant and equipment, net pledged as collateral.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Changes in the Carrying Value of Goodwill</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Intangible Assets are Amortized Over their Estimated Useful Lives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived [Table Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebenturesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebenturesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debentures Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertibleDebenturesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for convertible debentures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ProvisioForCreditLossesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for Credit Losses</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Transaction Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Charges, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DefinedSeveranceBenefitsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Defined Severance Benefits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DefinedSeveranceBenefitsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Defined Severance Benefits Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DefinedSeveranceBenefitsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for plans, other than pension plans, that provide postretirement benefits (including both defined benefit and defined contribution plans). This accounting policy may address (1) the types of plans sponsored by the entity, and the benefits provided by each plan (2) groups that participate in (or are covered by) each plan (3) how plan assets, liabilities and expenses are measured, including the use of any actuaries and (4) significant assumptions used by the entity to value plan assets and liabilities and how such assumptions are derived.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recent Accounting Pronouncements, not yet adopted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareOwnershipOfEMTCommonStockTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Share Ownership of EM&amp;T Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareOwnershipOfEMTCommonStockTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Ownership Of EMTCommon Stock Table Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ShareOwnershipOfEMTCommonStockTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of share ownership of EM &amp; T common stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Non-Trade Accounts Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Non-Trade Accounts Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventories [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Inventories</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Inventory, Current [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Short-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Short-Term Debt [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Long-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfFuturePrincipalPaymentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Future Principal Payments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfFuturePrincipalPaymentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Future Principal Payments Table Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Assets and Liabilities Measured at Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Fair Value Using Significant Unobservable Inputs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Significant Accounting Policies [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation and Principles of Consolidation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principles of Consolidation and Variable Interest Entities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LiabilitiesPaidByPrincipalShareholdersPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities Paid by Principal Shareholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LiabilitiesPaidByPrincipalShareholdersPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Paid By Principal Shareholders Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LiabilitiesPaidByPrincipalShareholdersPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Liabilities Paid by Principal Shareholders.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LiquidityAndGoingConcernPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liquidity and Going Concern</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LiquidityAndGoingConcernPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liquidity And Going Concern Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LiquidityAndGoingConcernPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policies for liquidity and going concern.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Emerging Growth Company Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure of emerging growth company.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Translation and Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration of Credit Risk</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Credit Risk, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration of Customer Risk</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value of Financial Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndNontradeReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade Accounts Receivable, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndNontradeReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts and Nontrade Receivable [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reportable Segment and the Expenses Reviewed by the CODM</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Per Share [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Potential Common Shares Excluded from Diluted Loss Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMCommonShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EM Common Share [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EMCommonShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EMCommon Share Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WTMACommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">WTMA Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WTMACommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">WTMACommon Stock Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfPublicRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public right</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfPublicRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Public Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfPublicRights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of public rights.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfPublicUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfPublicUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Public Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfPublicUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of public units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfRights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of rights.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of common share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfConvertedCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Converted common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfConvertedCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Converted Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NumberOfConvertedCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of converted common stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OutstandingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OutstandingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outstanding Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OutstandingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of outstanding units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade accounts receivable (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nontrade Accounts Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NontradeAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-trade accounts receivable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LoanReceivableAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan receivable amount (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LoanReceivableAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Receivable Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LoanReceivableAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan receivable amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DescriptionofOrganizationandBusinessOperationsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Description of Organization and Business Operations (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Name [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_EquityMethodInvesteeNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SummaryofSignificantAccountingPoliciesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Significant Accounting Policies (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Concentration Risk [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Concentration Risk [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total transaction costs (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Transaction Cost, Excluding Separately Recognized Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionRelatedCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition-Related Costs [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionRelatedCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Related Cost Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exchange of shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities incurred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combination, Voting Equity Interest Acquired, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Voting Equity Interest Acquired, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amount of revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pro Forma Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information, Pro Forma Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of net loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsExpensesAndLossesRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncashFinancingReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-cash financing - reverse recapitalization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncashFinancingReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncash Financing Reverse Recapitalization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncashFinancingReverseRecapitalization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of non cash financing reverse recapitalization.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfTotalConsiderationTransferredForEachAcquisitionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Total Consideration Transferred For Each Acquisition Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetAcquisitionContingentConsiderationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Total Consideration Transferred for Each Acquisition [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase consideration payable to dissenting shareholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Liabilities Incurred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredNontradeAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade accounts receivable, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredNontradeAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired Nontrade Accounts Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredNontradeAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of non-trade accounts receivable acquired in business combination and recognized at acquisition date, classified as current.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accounts payable - related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accounts Payable Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of accounts payable assumed in business combination and recognized at acquisition date, classified as current.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Short term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt - related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Short Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of liability assumed in business combination and recognized at acquisition date, classified as other and current.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Short term debt - related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Short Term Debt Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShortTermDebtRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of liability assumed in business combination and recognized at acquisition date, classified as other and current.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accounts payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Accounts Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfPropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Property Plant And Equipment Net Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Asset, Class [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ToolsDiesAndMoldsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tools and office equipment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ToolsDiesAndMoldsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tools, Dies and Molds [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Property, Plant and Equipment, Net [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Useful Lives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment, Useful Life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Land, buildings, machinery and equipment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Land [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandAndBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land and buildings [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LandAndBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Land and Building [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentNetPledgedAsCollateralLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Property, Plant And Equipment, Net Pledged as Collateral [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentNetCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentNetCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Net Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentNetCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of property, plant and equipment net carrying value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentPledgedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pledged Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentPledgedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Pledged Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PropertyPlantAndEquipmentPledgedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of property and plant pledged amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrentAndNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Non-Trade Accounts Payable [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DissentingShareholderAppraisalRightLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dissenting shareholder appraisal right liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DissentingShareholderAppraisalRightLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dissenting Shareholder Appraisal Right Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DissentingShareholderAppraisalRightLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of dissenting shareholder appraisal right liabilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccountsPayableTollProcessing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Toll processing</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccountsPayableTollProcessing_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable Toll Processing</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccountsPayableTollProcessing_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of toll processing accounts payable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableOtherCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other payables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableOtherCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Amortization Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Remaining Amortization Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, before Accumulated Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccumulatedAmortizationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated amortization:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccumulatedAmortizationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Amortization Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Total accumulated amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Accumulated Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_July2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">July 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_July2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">July2026 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_August2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">August 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_August2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">August2026 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_September2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">September 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_September2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">September2026 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_November2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">November 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_November2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">November2026 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_December2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">December 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_December2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">December2026 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_May2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 2027 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_May2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May2027 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_June2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_June2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June2026 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OthersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Others [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OthersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Others Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtInterestRateIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtInterestRateIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Interest Rate Increase</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowing Limit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Maximum Amount Outstanding During Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfLongTermDebtAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Long Term Debt Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date, Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowing Limit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Borrowings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Borrowings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Long Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LessRelatedPartyLoanWithHandaCEO_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: current portion of long-term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LessRelatedPartyLoanWithHandaCEO_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Less Related Party Loan With Handa CEO</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LessRelatedPartyLoanWithHandaCEO_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Less: related party loan with Handa CEO.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt, net of current portion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Long Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualObligationFiscalYearMaturityScheduleAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Future Principal Payments [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FivePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Five Promissory Notes [Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FivePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Five Promissory Notes Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SixPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Six Promissory Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SixPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Six Promissory Notes Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Promissory Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Notes Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DerivativeLiabilityMeasurementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurements assumptions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DerivativeLiabilityMeasurementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability Measurement Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DerivativeLiabilityMeasurementDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Description of measurement date.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less than 1 year</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Remainder of Fiscal Year</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Between 1 - 2 years</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Year One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturingInYearsTwoAndThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Between 2 - 5 years</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturingInYearsTwoAndThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Year Two and Three</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Over 5 years</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, after Year Five</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Plus imputed interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_YorkvilleAdvisorsGlobalLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Yorkville Advisors Global, LP [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_YorkvilleAdvisorsGlobalLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Yorkville Advisors Global LPMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase price percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of debenture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate During Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtFairValueDisclosures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of the Convertible Debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtFairValueDisclosures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt, Fair Value Disclosures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayments of Other Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Other Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transaction costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transaction Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of transaction costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitIssuanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Preferred Unit Issuance [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConvertiblePreferredUnitIssuanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Preferred Unit Issuance Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesFairValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liabilities [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of derivative liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Fair Value, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MonteCarloMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monte Carlo [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MonteCarloMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Monte Carlo Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level III [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredNontradeAccountsReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade accounts receivable - related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredNontradeAccountsReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired Nontrade Accounts Receivable Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_BusinessCombinationRecognizedIdentifiableAssetsAcquiredNontradeAccountsReceivableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of non-trade accounts receivable related parties acquired in business combination and recognized at acquisition date, classified as current.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Receivable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable - related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Other Asset, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventories, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Inventory, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherInventoryMaterialsSuppliesAndMerchandiseUnderConsignment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Merchandise</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherInventoryMaterialsSuppliesAndMerchandiseUnderConsignment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Inventory, Materials, Supplies and Merchandise under Consignment, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionsScheduleofFinitelivedIntangibleAssetsAmortizedUsingStraightlineMethodDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions - Schedule of Finite-lived Intangible Assets Amortized Using Straight-line Method (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Including Goodwill, after Accumulated Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Useful Life (Years)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Useful Life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfProFormaFinancialInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Pro Forma Financial Information [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pro Forma Net Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionTarget_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition target</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionTarget_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Target</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AcquisitionTarget_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of Acquisition Target</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvanceAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advance agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvanceAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advance Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AdvanceAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of Advance agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRepaidPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Repaid, Principal</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRepaidPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Repaid, Principal</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OnePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">One Promissory Notes [Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OnePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">One Promissory Notes Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TwoPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Two Promissory Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TwoPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Promissory Notes Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ThreePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Three Promissory Notes [Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ThreePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Three Promissory Notes Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FourPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Four Promissory Notes [Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FourPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Four Promissory Notes Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TollProcessingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Toll processing [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TollProcessingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Toll Processing Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other receivables [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherReceivablesRelatedParties1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other receivables - related parties [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherReceivablesRelatedParties1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables Related Parties1 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Non-Trade Accounts Receivable [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade accounts receivable, gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, before Allowance for Credit Loss, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Provision for credit losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Non-trade accounts payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Trade Accounts Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of non-trade accounts payable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Long term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other noncurrent liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Buildings, structures and related equipment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Building [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Machinery and equipment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Machinery and Equipment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VehiclesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vehicles [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VehiclesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vehicles [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Furniture and fixtures [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Furniture and Fixtures [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Construction in progress [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Construction in Progress [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisitions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill, Acquired During Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillOtherIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement period adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillOtherIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill, Other Increase (Decrease)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillForeignCurrencyTranslationGainLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Foreign currency translation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillForeignCurrencyTranslationGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill, Foreign Currency Translation, Gain (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfIntangibleAssetsAreAmortizedOverTheirEstimatedUsefulLivesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Intangible Assets are Amortized Over their Estimated Useful Lives [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Assets And Liabilities Measured At Fair Value Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueMeasurementsScheduleofAssetsandLiabilitiesMeasuredatFairValueDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Recurring [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level I [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level II [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Assets and Liabilities Measured at Fair Value [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money Market Funds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset, Held-in-Trust, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOptionChangesInFairValueGainLoss1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOptionChangesInFairValueGainLoss1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Option, Changes in Fair Value, Gain (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOptionChangesInSettlementsEquityBased_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlements (equity-based)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOptionChangesInSettlementsEquityBased_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Option Changes In Settlements Equity Based</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOptionChangesInSettlementsEquityBased_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">For each line item in the statement of financial position, the amounts of settlements (equity-based) from fair value changes included in earnings.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification out of Level III</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of convertible debentures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Convertible Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIncreaseAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIncreaseAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued coupon interest outstanding (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIncreaseAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Increase, Accrued Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TrialShipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trial shipment (in Metric Tons)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TrialShipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trial Shipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_TrialShipment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Trial shipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AmountOfTrialShipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of trial shipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AmountOfTrialShipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount Of Trial Shipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AmountOfTrialShipment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of trial shipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ExpectedPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected purchase (in Metric Tons)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ExpectedPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expected Purchase</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ExpectedPurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expected purchase.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForOtherLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Provision for credit losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForOtherLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision for Other Losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in fair value of financial instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Financial Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_FairValueOfFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of change in fair value of financial instruments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss on foreign currency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss), Foreign Currency Transaction, before Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loss before income taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss before income taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax benefit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss per share attributable to common stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive (loss) income:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Tax [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actuarial loss on defined severance benefits, net of tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other comprehensive income (loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total comprehensive loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Other Comprehensive Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Attributable to Parent [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total EMAT Stockholders' Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Parent [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Ex Transition Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net loss to net cash used in operating activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-trade accounts payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-Trade Accounts Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonTradeAccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of non trade accounts payable current.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property, Plant and Equipment, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfConversionRatioForConvertiblePreferredUnitsIssuedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Conversion Ratio For Convertible Preferred Units Issued Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_March2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2025 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_March2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March2025 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MarchTwentyTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 2025 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MarchTwentyTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Twenty Twenty Five Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_September2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">September 2025 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_September2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">September2025 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_October2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 2025 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_October2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October2025 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_December2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">December 2025 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_December2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">December2025 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Conversion Ratio for Convertible Preferred Units Issued [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockTermsOfConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion Ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockTermsOfConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Convertible, Terms</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfDestinationOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Destination Of Revenue Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KoreanDomesticSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Korean Domestic Sales [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KoreanDomesticSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Korean Domestic Sales Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IndustrialBankOfKoreaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Industrial Bank of Korea [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_IndustrialBankOfKoreaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industrial Bank Of Korea Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KOSMEKoreaSMEsAndStartupsAgencyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KOSME (Korea SMEs and Startups Agency) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KOSMEKoreaSMEsAndStartupsAgencyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KOSMEKorea SMEs And Startups Agency Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WooriBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Woori Bank [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_WooriBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Woori Bank Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_HanaBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hana Bank [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_HanaBankMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hana Bank Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_HanaBankOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hana Bank [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_HanaBankOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hana Bank One Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Commitments with Financial Institutions [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsWithFinancialInstitutionsType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsWithFinancialInstitutionsType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments With Financial Institutions Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsWithFinancialInstitutionsType_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Description of commitments with financial institutions types.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AsCorrectedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">As Corrected [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AsCorrectedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">As Corrected Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedBalanceSheetStatementsCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Audited Condensed Consolidated Balance Sheet [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Note receivable &#8211; related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL ASSETS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedIncomeStatementsCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Income Statements, Captions [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selling, general and administrative</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Selling, general and administrative</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss from operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Income (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other expense, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonoperating Income (Expense)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax benefit (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EquityDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsandContingenciesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of Organization and Business Operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Description and Basis of Presentation [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive (loss) income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other noncurrent assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable &#8211; related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_AccountsPayableRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of accounts payable - related parties.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ErrorCorrectionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restatement of Prior Period Financial Statements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ErrorCorrectionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Error Correction [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gross (loss) profit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Profit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expense:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expense):</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonoperating Income (Expense) [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest (expense) income, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income (Expense), Nonoperating</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other (expense) income, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average shares of common stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Comprehensive Income [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_RetroactiveApplicationOfRecapitalizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retroactive application of recapitalization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_RetroactiveApplicationOfRecapitalizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retroactive Application Of Recapitalization Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OwnshareLendingArrangementEarningsPerShareTreatment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treatment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OwnshareLendingArrangementEarningsPerShareTreatment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Own-share Lending Arrangement, Earnings Per Share, Treatment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfListOfPaymentGuaranteesProvidedByThirdPartiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of List Of Payment Guarantees Provided By Third Parties Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsandContingenciesScheduleofListofPaymentGuaranteesProvidedbyThirdPartiesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies - Schedule of List of Payment Guarantees Provided by Third Parties (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GuaranteeObligationsByNatureAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Guarantor Obligations, Nature [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KSUREKoreaTradeInsuranceCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">K-SURE (Korea Trade Insurance Corporation) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KSUREKoreaTradeInsuranceCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KSUREKorea Trade Insurance Corporation Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KODITKoreaCreditGuaranteeFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KODIT (Korea Credit Guarantee Fund) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_KODITKoreaCreditGuaranteeFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KODITKorea Credit Guarantee Fund Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SGI (Seoul Guarantee Insurance) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGISeoul Guarantee Insurance Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SGI (Seoul Guarantee Insurance) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGISeoul Guarantee Insurance One Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SGI (Seoul Guarantee Insurance) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGISeoul Guarantee Insurance Two Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SGI (Seoul Guarantee Insurance) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGISeoul Guarantee Insurance Three Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SGI (Seoul Guarantee Insurance) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SGISeoulGuaranteeInsuranceFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SGISeoul Guarantee Insurance Four Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guaranteed Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Guarantor Obligations, Current Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GuaranteeObligationsRelatedPartyDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Beneficiary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GuaranteeObligationsRelatedPartyDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Guarantor Obligations, Related Party Disclosure</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfCommitmentsWithFinancialInstitutionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Commitments With Financial Institutions Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitments [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Error Corrections and Prior Period Adjustments Restatement [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfUnauditedCondensedConsolidatedStatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Unaudited Condensed Consolidated Statement Of Cash Flows Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedCashFlowStatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Cash Flow Statement [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GainsOnForeignExchangeTranslation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on foreign exchange translation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GainsOnForeignExchangeTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gains On Foreign Exchange Translation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_GainsOnForeignExchangeTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gains on foreign exchange translation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LossOnForeignExchangeTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss on foreign exchange translation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LossOnForeignExchangeTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss On Foreign Exchange Translation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_LossOnForeignExchangeTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss on foreign exchange translation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfCPUShareAllocationObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of CPU Share Allocation Obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfCPUShareAllocationObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In Fair Value Of CPUShare Allocation Obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfCPUShareAllocationObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in fair value of CPU Share Allocation Obligations.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfJulyInvestmentAgreementDerivative_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of July investment agreement derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfJulyInvestmentAgreementDerivative_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In Fair Value Of July Investment Agreement Derivative</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ChangeInFairValueOfJulyInvestmentAgreementDerivative_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in fair value of July Investment Agreement Derivative.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DayOneLossOnCPUShareAllocationObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Day one loss on CPU Share Allocation Obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DayOneLossOnCPUShareAllocationObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Day One Loss On CPUShare Allocation Obligations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_DayOneLossOnCPUShareAllocationObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Day one loss on CPU Share Allocation Obligations.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfIncomeTaxPositionsMeasured_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of income tax positions are measured</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfIncomeTaxPositionsMeasured_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Income Tax Positions Measured</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_PercentageOfIncomeTaxPositionsMeasured_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of income tax positions measured.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective tax rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory tax rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-Based Compensation [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders&#8217; Deficit [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock vote</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Voting Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of preferred units</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommonStockConversionUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock conversion unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommonStockConversionUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Conversion Unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommonStockConversionUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of common stock conversion unit.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConversionPeriodOfPreferredUnitsIssuedIntoCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion period of preferred into common shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConversionPeriodOfPreferredUnitsIssuedIntoCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion Period Of Preferred Units Issued Into Common Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ConversionPeriodOfPreferredUnitsIssuedIntoCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The convertible preferred units issued will be automatically convert into shares of common shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_SegmentsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_KR_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Republic of Korea [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Reportable Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingently issuable shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares, Contingently Issuable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion price, percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherShortTermDebtInterestRates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans bear interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherShortTermDebtInterestRates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Short Term Debt Interest Rates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_OtherShortTermDebtInterestRates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of other short term debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_August2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">August2024 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_October2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 2024 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_October2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October2024 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_November2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">November 2024 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_November2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">November2024 Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_December2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">December2024 Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_February2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February2025 Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ExportSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Export Sales Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_CommitmentsWithFinancialInstitutionsUsedAmounts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of commitments with financial institutions of used amounts.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedIncomeStatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Income Statement [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Error Correction [Table]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EvolutionMetalsAndTechnologiesCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Evolution Metals and Technologies Corp [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_EvolutionMetalsAndTechnologiesCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Evolution Metals And Technologies Corp Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MemberUnitsVotingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Member Units, Voting</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_MemberUnitsVotingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Member Units Voting Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonConsolidatedVariableInterestEntitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Consolidated Variable Interest Entities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonConsolidatedVariableInterestEntitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Consolidated Variable Interest Entities Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_NonConsolidatedVariableInterestEntitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-Consolidated Variable Interest Entities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="emat_ScheduleOfJulyInvestmentAgreementDerivativeAndCpuShareAllocationObligationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of July Investment Agreement Derivative And Cpu Share Allocation Obligations Abstract</link:label>
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