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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ColorStarDMCCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Color Star DMCCMember</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Consolidated Financial Statements [Line Items]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ModelQueenLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Model Queen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ModelQueenLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Model Queen Limited Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ColorStarTechnologyOhioIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Color Star Technology Ohio Inc Member</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrency [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrency [Axis]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrency [Line Items]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitcoinReceivedFromIssuanceOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quantities (in coins) SolvBTC, cryptocurrency received from issuance of units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitcoinReceivedFromIssuanceOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrencies Number of Bitcoin Received from Issuance of Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitcoinReceivedFromIssuanceOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the number of bitcoin recognized as cryptocurrency received from issuance of units.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesReceivedFromIssuanceOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrencies Received from Issuance of Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesReceivedFromIssuanceOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of revenue recognized from cryptocurrency received from issuance of units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitCoinsSolvBTCImpairmentOfCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quantities (in coins) SolvBTC, impairment of cryptocurrency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitCoinsSolvBTCImpairmentOfCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrencies Number Of Bit Coins SolvBTC Impairment of Cryptocurrency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitCoinsSolvBTCImpairmentOfCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cryptocurrencies number of Bit coins SolvBTC impairment of cryptocurrency.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyAmountsImpairmentOfCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cryptocurrency Amounts, impairment of cryptocurrency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyAmountsImpairmentOfCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impairment loss</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyAmountsImpairmentOfCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cryptocurrency amounts impairment of cryptocurrency.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitCoinsSolvBTCTransferredOut_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quantities in coins BTC, transferred out</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitCoinsSolvBTCTransferredOut_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrencies Number Of Bit Coins Solv BTC Transferred Out</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CACMMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CACM [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ImpairmentOfCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment of cryptocurrency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ImpairmentOfCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of impairment of cryptocurrency.</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 loan</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, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleLongtermNotesPayableCurrentAndNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes Payable and Derivative Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Derivative Liabilities Measured at Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Derivative Liabilities at Fair Value [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Convertible Notes, Net of Unamortized Discounts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowingsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Loan [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Text Block]</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/verboseLabel">Depreciation expenses</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">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_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Receivable From Service Provider [Line Items]</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/terseLabel">Other Receivables, Net [Line Items]</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">Accounts Receivable [Member]</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: Allowance 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="us-gaap_ProceedsFromSaleAndCollectionOfOtherReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Receivables [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables, Gross, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Prepayments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayments, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivable From Service Provider, Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Discontinued Operations [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Prepayments [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LessProvisionForImpairmentLossOnPrepayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Provision for impairment loss on prepayments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LessProvisionForImpairmentLossOnPrepayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Less Provision For Impairment Loss On Prepayments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LessProvisionForImpairmentLossOnPrepayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Less: Provision for impairment loss on prepayments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impairment charges</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment loss of long-lived assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment of Long-Lived Assets to be Disposed of</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayment for payroll tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cryptocurrency amounts, revenue recognized from cryptocurrency mined</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrencies Revenue Recognized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of revenue recognized from cryptocurrencies mined.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptoCurrencyAmountsUSDTReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cryptocurrency amounts, USDT receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptoCurrencyAmountsUSDTReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crypto Currency Amounts USDTReceivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptoCurrencyAmountsUSDTReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Crypto currency amounts, USDT receivable.</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_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance on credit losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables, Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Asset Impairment Charges</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities, Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant [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="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="znb_ConvertedPortionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Converted portion [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_UnconvertedPortionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unconverted portion [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_WarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_WarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value allocation of conversion feature</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Beneficial Conversion Feature</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueAllocationOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Allocation of Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueAllocationOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of Fair value allocation of warrants.</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">Subtotal</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="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_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_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="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Minimum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax related interest or penalties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination, Penalties and Interest Expense, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxSettlementsStateAndLocal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State tax effect, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxSettlementsStateAndLocal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxSettlementsForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign tax effect, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxSettlementsForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsStateAndLocal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State tax effect, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsStateAndLocal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign tax effect, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlementsForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Percent</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">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">Settlement payment</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">Debt Instrument, Face Amount</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/verboseLabel">Convertible promissory notes, 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_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issuance of ordinary shares (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/terseLabel">Issuance of ordinary shares (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_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Private Placement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConversionPricePercentage_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="znb_ConversionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion Price Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConversionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Conversion price percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_WarrantExercisePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant exercise price percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_WarrantExercisePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Exercise Price Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_WarrantExercisePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant exercise price percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of trading days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Trading Days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of trading days.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_VolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Volume-weighted average price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_VolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Volume-Weighted Average Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_VolumeWeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Volume-Weighted Average Price.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Noncurrent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FirstTrancheNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Tranche Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FirstTrancheWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Tranche Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investor&#8217;s fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Professional expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PrepaymentOfOutstandingDebtBalancePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayment of outstanding debt balance, percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PrepaymentOfOutstandingDebtBalancePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepayment Of Outstanding Debt Balance Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PrepaymentOfOutstandingDebtBalancePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepayment of outstanding debt balance, percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of debt, ordinary shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Shares Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentBalanceRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, balance redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentBalanceRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Balance Redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentBalanceRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument, balance redeemed.</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 of notes</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_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Term</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/definitionGuidance">Ordinary Shares [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/verboseLabel">Ordinary Shares [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">Ordinary shares</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_DebtInstrumentInterestRateIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding balance of rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Increase (Decrease)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IncomeTaxesScheduleofIncomeLossBeforeProvisionforIncomeTaxesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes - Schedule of Income (Loss) Before Provision for Income Taxes (Details) [Table]</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_US_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">United States [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">US [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/label">UNITED STATES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal statutory rate, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State statutory rate, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount</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_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_MeasurementInputPriceVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input, Price 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_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input, Expected Term [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedTermMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Expected Term [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance">Class A Ordinary Share [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Class A Ordinary Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class A [Member]</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="znb_PayoffLetterAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payoff Letter Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PayoffLetterAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payoff Letter Agreement [Member]</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/totalLabel">Effective tax rate, Amount</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">PROVISION FOR INCOME TAXES</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/terseLabel">Taxable income</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), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Risk Free Interest Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input, Risk Free Interest Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Price per share upon exercise of warrants (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Exercise price (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Warrant exercise price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Exercise Price of Warrants or Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PriceEquivalentToPercentageOfVolumeWeightedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Price equal to percentage of VWAP of ordinary shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PriceEquivalentToPercentageOfVolumeWeightedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Price Equivalent To Percentage Of Volume Weighted Average Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PriceEquivalentToPercentageOfVolumeWeightedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Price equivalent to percentage of volume weighted average price per share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of proceeds for redemption of debt instrument</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption Price, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRepurchasedFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Value of notes redeemed by purchasers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRepurchasedFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Repurchased Face Amount</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">Bearing interest rate per annum</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/label">Short-Term Debt, Percentage Bearing Fixed Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Convertible note balance amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible notes payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Domain]</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_InvestorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SecuritiesPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Securities Purchase Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SecuritiesPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Purchase Agreement Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OctoberNoteExchangeAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October Note Exchange Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OctoberNoteExchangeAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October Note Exchange Agreement Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConversionPrice3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion Price 3 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConversionPrice3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion Price3 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Domain]</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/terseLabel">Current Maturity of Long-Term Loan [Line Items]</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">Convertible Notes Payable [Line Items]</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">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">Ordinary shares, 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/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_IncomeTaxPaidByIndividualJurisdictionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Loss Before Provision for Income Taxes [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidByIndividualJurisdictionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Income (Loss) Before Provision for Income Taxes [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal statutory rate, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Federal statutory income tax rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Valuation allowance, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax asset allowance, percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Uncertain tax positions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Uncertainty in Income Taxes, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredOther1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash consideration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredOther1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Tangible and Intangible Assets, Excluding Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrants to purchase (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants to purchase shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchas of warrants (in Shares)</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="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance">Class B Ordinary Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class B Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Class B Ordinary Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class B [Member]</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 shares (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="znb_ConvertibleNotesPayableNetOfUnamortizedDiscountsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible notes payable, net of unamortized discounts [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDescriptionOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Relationship</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDescriptionOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Description of Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other payables - related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Notes Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_HuiXuMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hui Xu [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_HuiXuMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hui Xu 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 [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 Parties</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_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Notes Payable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes Payable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SettlementLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement arrangement payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SettlementLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Settlement Liabilities, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation allowance, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfIncomeLossBeforeProvisionForIncomeTaxesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Income Loss Before Provision For Income Taxes Abstract</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="znb_FairValueOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of Equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of estimated fair value of equipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AmortizationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AmortizationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of amortization expenses.</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">Derivative liabilities</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/periodStartLabel">Balance</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/periodEndLabel">Balance</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="us-gaap_ConversionOfStockAmountIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Stock, Amount Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment loss of long-lived assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from issuance of notes and warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net of issuance cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_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_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_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_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Accrued Liabilities, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockAmountConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible note payable amount converted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockAmountConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Stock, Amount Converted</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">Simple interest rate</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_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares value (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/2003/role/terseLabel">Ordinary shares, 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>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputSharePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Share Price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputSharePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input, Stock Price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Measurement Input</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants measurement input</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxJurisdictionOfDomicileExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Jurisdiction of Domicile [Extensible Enumeration]</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/totalLabel">Effective tax rate, Percent</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="znb_ScheduleOfComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Components of Deferred Tax Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryforward in the U.S.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards, Domestic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryforward in Hong Kong</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards</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_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyMiningEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cryptocurrency mining equipment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyMiningEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrency Mining Equipment Member</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">Plant and equipment, gross</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, Gross</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">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/terseLabel">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/label">Property, Plant and Equipment, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Payables and Accrued Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Valuation allowance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Valuation Allowance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IncomeTaxesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes (Details) [Table]</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="country_HK_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hong Kong [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_HK_lbl" xlink:role="http://www.xbrl.org/2003/role/label">HONG KONG</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted common stock, shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance">Restricted ordinary shares for the purchase of equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Restricted Stock Award, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentrations of Risk [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_InsuranceCoverageOfBank_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Insurance coverage of each bank</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_InsuranceCoverageOfBank_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Insurance Coverage Of Bank</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_InsuranceCoverageOfBank_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of insurance coverage of each bank.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expire tern</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PercentageOfInitialExercisePriceOfTheWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of initial exercise price of warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PercentageOfInitialExercisePriceOfTheWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of initial exercise price of Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PercentageOfInitialExercisePriceOfTheWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of initial exercise price of Warrants.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SHAREHOLDERS&#8217; EQUITY:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PercenatgeOfOriginalIssueDiscountConvertible_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percenatge of original issue discount convertible</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PercenatgeOfOriginalIssueDiscountConvertible_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percenatge of Original Issue Discount Convertible</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PercenatgeOfOriginalIssueDiscountConvertible_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percenatge of Original Issue Discount Convertible.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PurchaseOfOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase of ordinary shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PurchaseOfOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase of Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PurchaseOfOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Numbers of Purchase of Ordinary Shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PurchaseAndSaleAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase and sale amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PurchaseAndSaleAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase and Sale Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PurchaseAndSaleAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase and sale amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FirstTranchePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First tranche principal amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FirstTranchePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Tranche Principal Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FirstTranchePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First tranche principal amount.</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/verboseLabel">Schedule of Unaudited Condensed Consolidated Statements of Operations [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/label">Segment Reporting Information [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/2003/role/verboseLabel">Less cost of revenue</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/disclosureGuidance">Cost of revenue</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/terseLabel">TOTAL COST OF REVENUE</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_FinancingInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Interest Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SegmentProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SegmentProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Profit Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SegmentProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of segment profit (loss).</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_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_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement [Member]</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="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/verboseLabel">Net loss</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 number of shares</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/verboseLabel">Denominator</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_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_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/verboseLabel">Number of shares used in per share computation 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/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/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_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_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and shareholders&#8217; equity</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="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_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_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares, shares issued</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">Common Stock, Shares, Issued</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_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="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="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_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares, shares outstanding</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>
    <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</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_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment loss of long-lived assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">IMPAIRMENT LOSS OF LONG-LIVED ASSETS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment, Long-Lived Asset, Held-for-Use</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Location</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CopyrightAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Copyright Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CopyrightAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Copyright Agreement 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="znb_AnnualMeetingShareholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual Meeting Shareholders [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AnnualMeetingShareholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Meeting Shareholders Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</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</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/label">Additional Paid in Capital, Common Stock</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="znb_CostOfRevenueExclusiveOfDepreciationExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of revenue (exclusive of depreciation expenses)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CostOfRevenueExclusiveOfDepreciationExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost Of Revenue Exclusive Of Depreciation Expenses Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">STOCK COMPENSATION EXPENSE</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock compensation expenses</link:label>
    <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="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">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/label">Operating Income (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other expense , net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of fractional shares upon the reverse share split</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased and Retired During Period, Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_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="znb_FirstPaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Payment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SecondPaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second Payment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashEquivalentsAtCarryingValue_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_CashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Equivalents, at Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other receivables, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables, Net, 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/label">Assets, Current</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">Commitments and Contingencies [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Warrants Outstanding, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Warrants Outstanding, Ending balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Weighted Average Exercise Price, Beginning balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Weighted Average Exercise Price, Ending balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Weighted Average Exercise Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average price at which grantees can acquire the shares reserved for issuance under the non-option plan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ReverseShareSplitAndShareConsolidationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse Share Split and Share Consolidation [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ReverseShareSplitAndShareConsolidationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse Share Split And Share Consolidation Member</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_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/label">Additional Paid-in Capital [Member]</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/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/label">Shares, Outstanding</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">Issuance of ordinary shares and pre-funded warrants (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="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">CASH AND CASH EQUIVALENTS, end of year</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, beginning of year</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="znb_CashlessExerciseOfPreFundedWarrantsIntoOrdinaryShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cashless exercise of pre-funded warrants into ordinary shares (in shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashlessExerciseOfPreFundedWarrantsIntoOrdinaryShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cashless Exercise of Pre-Funded Warrants into Ordinary Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashlessExerciseOfPreFundedWarrantsIntoOrdinaryShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of cashless exercise of pre-Funded warrants into ordinary shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic - continuing operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Basic loss per share - continuing operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Per Basic Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ServiceProvidersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Service Providers [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ServiceProvidersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Service Providers Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_MsWeiZhangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ms. Wei Zhang [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_MsWeiZhangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ms Wei Zhang Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_MsLiliJiangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ms. Lili Jiang [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_MsLiliJiangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ms Lili Jiang Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_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_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amortization of debt issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt discounts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Issuance Costs and Discounts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Service vest period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued for compensation (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures</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/verboseLabel">Shares issued 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="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="znb_ShareCapitalReductionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Capital Reduction [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Firm ID</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorOpinionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Opinion [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesReverseStockSplits_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares due to round up adjustment (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesReverseStockSplits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of fractional shares upon the reverse share split (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesReverseStockSplits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Reverse Stock Splits</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_AssetsNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">NON-CURRENT ASSETS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Noncurrent [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total non-current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">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_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other payables and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other payables and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Other Accrued Liabilities, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET LOSS FROM CONTINUING OPERATIONS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss from continuing operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income (loss) from discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incremental fair value on modification of warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Warrant Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Addresses [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted - continuing operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Diluted loss per share - continuing operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Per Diluted Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic - discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Basic income (loss) per share - discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted - discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Diluted income (loss) per share - discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashlessExerciseOfPreFundedWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cashless exercise of pre-funded warrants into ordinary shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashlessExerciseOfPreFundedWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cashless Exercise of Pre-Funded Warrants into Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashlessExerciseOfPreFundedWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of cashless exercise of pre-funded warrants into ordinary shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_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_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedContinuingOperationEarningsLossAllocationToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allocation of undistributed loss from continuing operations, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedContinuingOperationEarningsLossAllocationToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Continuing Operation Earnings (Loss), Allocation to Participating Securities, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedDiscontinuedOperationEarningsLossAllocationToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allocation of undistributed income (loss) from discontinued operations, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedDiscontinuedOperationEarningsLossAllocationToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Discontinued Operation Earnings (Loss), Allocation to Participating Securities, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedContinuingOperationEarningsLossAllocationToParticipatingSecuritiesDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allocation of undistributed loss from continuing operations, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedContinuingOperationEarningsLossAllocationToParticipatingSecuritiesDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Continuing Operation Earnings (Loss), Allocation to Participating Securities, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedDiscontinuedOperationEarningsLossAllocationToParticipatingSecuritiesDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allocation of undistributed income (loss) from discontinued operations, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedDiscontinuedOperationEarningsLossAllocationToParticipatingSecuritiesDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Discontinued Operation Earnings (Loss), Allocation to Participating Securities, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SaleOfOrdinarySharesInShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of ordinary shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SaleOfOrdinarySharesInShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Ordinary Shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SaleOfOrdinarySharesInShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of sale of ordinary shares in shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued for acquisition of intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Purchase of Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued for acquisition of intangible assets (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Purchase of Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfConcertCooperationRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued for acquisition of concert cooperation rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfConcertCooperationRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued for Acquisition of Concert Cooperation Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfConcertCooperationRights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of ordinary shares issued for acquisition of concert cooperation rights.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfConcertCooperationRightsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued for acquisition of concert cooperation rights (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfConcertCooperationRightsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued for Acquisition of Concert Cooperation Rights, Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfConcertCooperationRightsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of ordinary shares issued for acquisition of concert cooperation rights, shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfWarrantsInConnectionWithTheIssuanceOfConvertibleNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of warrants in connection with the issuance of convertible notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfWarrantsInConnectionWithTheIssuanceOfConvertibleNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Warrants in Connection With The Issuance of Convertible Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfWarrantsInConnectionWithTheIssuanceOfConvertibleNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of issuance of warrants in connection with the issuance of convertible notes.</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/verboseLabel">Subsequent Event</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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET CHANGE IN CASH AND CASH EQUIVALENTS</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, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of stock price (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Price per share (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gross proceeds of IPO</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance Initial Public Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareCapitalIncreaseProposalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Capital Increase Proposal [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PreFundedWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Pre-Funded Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PreFundedWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre Funded Warrants Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SPAElevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SPA 11 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SPAElevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SPA 11 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Consideration Received on Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConcentrationsofRiskDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentrations of Risk (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfPreDeliverySharesWithNoValueGiven_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of pre-delivery shares with no value given (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfPreDeliverySharesWithNoValueGiven_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Pre-Delivery Shares With No Value Given</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfPreDeliverySharesWithNoValueGiven_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of issuance of pre-delivery shares with no value given.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfPreDeliveryShareWithNoValueGiven_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of pre-delivery shares with no value given</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfPreDeliveryShareWithNoValueGiven_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Pre-Delivery Share With No Value Given</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfPreDeliveryShareWithNoValueGiven_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of issuance of pre-delivery shares with no value given.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringThePeriodOrdinarySharesIssuedForAcquisitionOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary shares issued for acquisition of equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringThePeriodOrdinarySharesIssuedForAcquisitionOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of ordinary shares issued for acquisition of equipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringThePeriodShareOrdinarySharesIssuedForAcquisitionOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary shares issued for acquisition of equipment (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringThePeriodShareOrdinarySharesIssuedForAcquisitionOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of ordinary shares issued for acquisition of equipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants Outstanding, Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average Remaining Contractual Life, Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted Weighted Average Remaining Contractual Term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average remaining contractual term for non-option awards granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Forfeitures Weighted Average Exercise Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average price at which grantees could have acquired the underlying shares with respect to non-options that were terminated.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price, Exercised</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised Weighted Average Exercise Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisedWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average price at which option holders acquired shares when converting their non-options into shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentRegistrationStatement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Registration Statement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Annual Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentShellCompanyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Shell Company Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</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="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_ContactPersonnelName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contact Personnel Name</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/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/label">Liabilities and Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-current assets of discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total non-current assets of discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Assets, Noncurrent, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Numerator</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Basic [Abstract]</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">Number of shares used in per share computation 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Weighted Average Grant Date Fair Value Per Share, Unvested Ending</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Weighted Average Grant Date Fair Value Per Share, Unvested Beginning</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average Remaining Contractual Life,Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Intrinsic Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average remaining contractual term for non-option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Exercise Price, Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted Weighted Average Exercise Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The weighted average grant-date fair value of non-options granted during the reporting period as calculated by applying the disclosed option pricing methodology.</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="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of stock units (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Number of Shares Issued in Transaction</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">Ordinary shares price (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="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</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="znb_LossOnExtinguishmentOfDebtsOnConvertibleNotesPayable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss on extinguishment of debts on convertible notes payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LossOnExtinguishmentOfDebtsOnConvertibleNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss On Extinguishment Of Debts On Convertible Notes Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LossOnExtinguishmentOfDebtsOnConvertibleNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">It represents loss on extinguishment of debts on convertible notes payable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Prepayments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense</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="us-gaap_PaymentsToFundLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loan to a third party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToFundLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Fund Long-Term Loans to Related Parties</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">Purchase of 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="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_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of borrowings from related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Related Party Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments of a convertible note</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Convertible Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of ordinary shares, net of offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Stock</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/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_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_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial recognition of operating right of use asset and lease liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability</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</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="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue recognition</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="znb_DebtIssuanceCostsForConvertibleNotesIncludedInOtherPayablesAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt issuance costs for convertible notes included in other payables and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtIssuanceCostsForConvertibleNotesIncludedInOtherPayablesAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs For Convertible Notes Included In Other Payables And Accrued Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtIssuanceCostsForConvertibleNotesIncludedInOtherPayablesAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt issuance costs for convertible notes included in other payables and accrued liabilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfEquipments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cancellation of shares issued for acquisition of equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfEquipments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued For Acquisition Of Equipments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfEquipments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents amount of ordinary shares issued for acquisition of equipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ExchangeOfBTCIntoUSDT_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exchange of BTC into USDT</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ExchangeOfBTCIntoUSDT_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exchange Of BTCInto USDT</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ExchangeOfBTCIntoUSDT_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of exchange of BTC into USDT.</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>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CryptoAssetCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrency [Abstrast]</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">Receivable from service provider, 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_OtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plant and Equipment, Net [Abstract]</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">Long-term loan - current portion</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, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest bearing</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_RepaymentInstallmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment Installment Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_RepaymentInstallmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment Installment Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_RepaymentInstallmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of installment amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_BTCKZNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">BTC KZ Note [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AgreementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agreement [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AgreementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agreement [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities of discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities of discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Liabilities, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other payables and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Accounts Payable and Accrued Liabilities, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DisposalGroupIncludingDiscontinuedOperationLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease liability - current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DisposalGroupIncludingDiscontinuedOperationLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of lease liability - current.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities of discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Liabilities, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">SELLING, GENERAL AND ADMINISTRATIVE EXPENSES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, General and Administrative Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">LOSS FROM DISCONTINUED OPERATIONS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Operating Income (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Maturity of Long-Term Loan [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued for acquisition of intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued For Acquisition Of Intangible Asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of ordinary shares issued for acquisition of intangible assets.</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_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in operating activities from discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Discontinued Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in investing activities from discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Discontinued Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by financing activities from discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Discontinued Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">LOSS BEFORE PROVISION FOR INCOME TAXES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PROVISION FOR INCOME TAXES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Tax Effect of Discontinued Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ULifeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ULife [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cybersecurity Risk Board of Directors Oversight [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board of Directors Oversight [Text Block]</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">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 Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashlessExerciseOfWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cashless exercise of warrants into ordinary shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashlessExerciseOfWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cashless Exercise Of Warrants Into Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashlessExerciseOfWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of cashless exercise of warrants into ordinary shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueOfWarrantsIssuedInConnectionWithTheIssuanceOfConvertibleNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of warrants issued in connection with the issuance of convertible notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueOfWarrantsIssuedInConnectionWithTheIssuanceOfConvertibleNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Warrants Issued In Connection With The Issuance Of Convertible Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueOfWarrantsIssuedInConnectionWithTheIssuanceOfConvertibleNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of fair value of warrants issued in connection with the issuance of convertible notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Payables and Accrued Liabilities [Abstract]</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="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/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_ProceedsFromRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings from related parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Related Party Debt</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">Proceeds from convertible notes, net of debt issuance costs</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">Gross proceeds from issuance of debt</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="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of ordinary shares and pre-funded warrants, net of offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Warrant Exercises</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for interest expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payments on offering costs for issuance of units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Debt Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentrations of risk</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Disclosure [Text Block]</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="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_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Obligation Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Maturities of Long-Term Debt [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DisposalGroupIncludingDiscontinuedOperationImpairmentLossOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">IMPAIRMENT LOSS OF INTANGIBLE ASSETS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DisposalGroupIncludingDiscontinuedOperationImpairmentLossOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Impairment Loss of Intangible Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DisposalGroupIncludingDiscontinuedOperationImpairmentLossOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of impairment loss of intangible assets.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_USDTPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">USDT</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_USDTPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">USDTPolicy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_USDTPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">USDT policy text block.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConversionOfConvertibleNotesPayableIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of convertible notes and interest payables into ordinary shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConversionOfConvertibleNotesPayableIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion Of Convertible Notes Payable Into Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConversionOfConvertibleNotesPayableIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of conversion of convertible notes payable into ordinary shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other payables and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]</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="znb_ChangeInFairValueOfDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in fair value of derivative liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ChangeInFairValueOfDerivativeLiabilities_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="znb_ChangeInFairValueOfDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Change in fair value of derivative liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ChangeInFairValueOfDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Fair Value of Derivative Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ChangeInFairValueOfDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in Fair Value of Derivative Liabilities.</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 loan</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, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued for acquisition of equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued for Acquisition of Equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OrdinarySharesIssuedForAcquisitionOfEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of ordinary shares issued for acquisition of equipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_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_DisposalGroupIncludingDiscontinuedOperationRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_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_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Gross Profit (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ProvisionForImpairmentLossOnPrepayments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">PROVISION FOR IMPAIRMENT LOSS ON PREPAYMENTS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ProvisionForImpairmentLossOnPrepayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision For Impairment Loss On Prepayments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ProvisionForImpairmentLossOnPrepayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of provision for impairment loss on prepayments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">COST OF REVENUE</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Costs of Goods Sold</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Groups, Including Discontinued Operations [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOperatingActivitiesSegmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Activities [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentOperatingActivitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Activities [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DisposalGroupIncludingDiscontinuedOperationOtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">OTHER INCOME (EXPENSE), NET</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DisposalGroupIncludingDiscontinuedOperationOtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Other Nonoperating Income Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DisposalGroupIncludingDiscontinuedOperationOtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of disposal group including discontinued operation other nonoperating income expense.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_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_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, 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</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FinanceExpenseOnConvertibleNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance expense on convertible notes payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FinanceExpenseOnConvertibleNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Expense On Convertible Notes Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FinanceExpenseOnConvertibleNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of finance expense on convertible notes payable.</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</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_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other payables and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Accounts Payable and Accrued Liabilities</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_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by financing activities from continuing operations</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_WarrantsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants policy text block.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accrued Liabilities [Table Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_BTCKZMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">BTC KZ [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_BTCKZMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">BTCKZMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RisksAndUncertaintiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentrations of Risk [Abstract]</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">Segment information</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 Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfOrdinarySharesWithProceedsIncludedInOtherPayablesAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares with proceeds included in other payables and accrued liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfOrdinarySharesWithProceedsIncludedInOtherPayablesAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Ordinary Shares With Proceeds Included In Other Payables And Accrued Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfOrdinarySharesWithProceedsIncludedInOtherPayablesAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of issuance of ordinary shares with proceeds included in other payables and accrued liabilities.</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">Organization and description of business</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_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_CryptoAssetTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cryptocurrency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CryptoAssetTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crypto Asset [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other receivables, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans, Notes, Trade and Other Receivables Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepayments [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, 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">Segments</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_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholders&#8217; equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [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_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Components of Deferred Tax Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciles the U.S. Statutory Rates to the Company&#8217;s Effective Tax Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Loss Before Provision for Income Taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ownership percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfInformationOfRevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Information Of Revenues Abstract</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="znb_CryptocurrencyMiningRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cryptocurrency mining revenue [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyMiningRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrency Mining Revenue 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 Estimated Useful Lives of Assets [Line Items]</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/terseLabel">Schedule of Plant and Equipment [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Information of Revenues [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_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_ChangeInAccountingEstimateLineItems_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_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reportable segment</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfEstimatedUsefulLivesOfAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Estimated Useful Lives Of Assets Abstract</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 Tangible Asset [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residual value, percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Salvage Value, Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment charges</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Impairment Charges</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CODM description</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Revenue</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_GrossLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Loss</link:label>
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    <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="znb_ScheduleOfConsolidatedFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Consolidated Financial Statements Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ColorStarOhioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Color Star Ohio [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ColorStarOhioMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Color Star Ohio Member</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 life</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>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PreDeliverySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-Delivery Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfConvertibleNotesNetOfUnamortizedDiscountsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Convertible Notes, Net of Unamortized Discounts [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfConvertibleNotesNetOfUnamortizedDiscountsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Convertible Notes, Net of Unamortized Discounts [Table]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayable_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_ConvertibleNotesPayable_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_ConvertibleNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PercentageOfOwnership_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of ownership</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PercentageOfOwnership_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of ownership.</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/totalLabel">Receivables from service provider, 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/terseLabel">Receivables from service provider, 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_ClassOfWarrantOrRightTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentPrincipalAddition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal addition</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentAmount1_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Conversion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FaceValueOfConvertibleNotesPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Face value of convertible notes payable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_UnamortizedDebtDiscountsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unamortized debt discounts [Member]</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">Schedule of Computation of 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/label">Antidilutive Securities Excluded from Computation of Earnings 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">Ordinary shares subject to outstanding:</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="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Securities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Derivative Liabilities Measured at Fair Value [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Derivative Liabilities Measured at Fair Value [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Derivative Liabilities Measured at Fair Value [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DateOfPrincipalAddition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Date of Principal Addition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DateOfPrincipalAddition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of date of principal addition.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Consideration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_USDTReceivablesDueFromThirdPartyServiceProviderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">USDT receivables due from third-party service provider [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_USDTReceivablesDueFromThirdPartyServiceProviderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">USDT Receivables Due from Third-Party Service Provider [Member]</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_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="znb_SolvBTCReceivablesDueFromInvestorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SolvBTC receivables due from investors [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SolvBTCReceivablesDueFromInvestorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SolvBTC Receivables Due from Investors [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfOtherReceivablesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Receivables [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CryptoAssetNumberOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of quantities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CryptoAssetNumberOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Crypto Asset, Number of Units, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValue_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="znb_FairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AggregateReductionInValueOfCryptocurrencyAssetsAndReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate reduction in value of cryptocurrency assets and receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AggregateReductionInValueOfCryptocurrencyAssetsAndReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Reduction in Value of Cryptocurrency Assets and Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AggregateReductionInValueOfCryptocurrencyAssetsAndReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of aggregate reduction in value of cryptocurrency assets and receivables.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueLossOnContractualCryptocurrencyReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value loss on contractual cryptocurrency receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueLossOnContractualCryptocurrencyReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Loss on Contractual Cryptocurrency Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FairValueLossOnContractualCryptocurrencyReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of fair value loss on contractual cryptocurrency receivables.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ImpairmentLossesOnTheOriginalSolvBTCIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment losses on the original SolvBTC intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ImpairmentLossesOnTheOriginalSolvBTCIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of impairment losses on the original SolvBTC intangible assets.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TransferredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transferred amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TransferredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transferred Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TransferredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The transferred amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OtherReceivablesNetDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables, Net (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitcoinRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quantities in coins BTC, revenue recognized from cryptocurrency mined</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitcoinRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrencies Number Of Bitcoin Revenue Recognized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitcoinRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the number of bitcoin recognized as revenue in cryptocurrency.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitCoinsUSDTReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Quantities in coins BTC, USDT receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitCoinsUSDTReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cryptocurrencies Number Of Bit Coins USDTReceivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrenciesNumberOfBitCoinsUSDTReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">It represents cryptocurrencies, number of USDT coins receivable.</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="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_MeasurementInputExercisePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input, Exercise Price [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExercisePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Exercise Price [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_BoardOfDirectorsChairmanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Board of Directors Chairman [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_BoardOfDirectorsChairmanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Board of Directors Chairman [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">Shareholders Equity [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investors redeemed, Ordinary shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Redeemed or Called During Period, Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConvertibleNotesPayableDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes Payable (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Plant And Equipment Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_UnsecuredPromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Promissory Note [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_UnsecuredPromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Promissory Note Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_InitialNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_InitialNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Notes Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NewNotes3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">New Notes 3 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NewNotes3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Notes3 Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SeriesAWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SeriesAWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series AWarrants Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPriceIncrease_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_DebtInstrumentConvertibleConversionPriceIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Price, Increase</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Original issue discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Unamortized Discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceed from sale of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Debt Securities, Available-for-Sale</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayableCommonStockRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayableCommonStockRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payable, Common Stock Redeemed</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/2003/role/label">Debt Instrument, Convertible, Conversion Price</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 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/label">Debt Instrument, Increase, Accrued Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentOriginalIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, original issue discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentOriginalIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Original Issue Discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentOriginalIssueDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument, original issue discount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OutstandingLoanBalanceRepaymentPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding loan balance repayment percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OutstandingLoanBalanceRepaymentPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Outstanding Loan Balance Repayment Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OutstandingLoanBalanceRepaymentPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Outstanding loan balance repayment percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">IPO [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">IPO [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_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Payables &#8211; Related Party [Line Items]</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">Schedule of Other Payables - Related Party [Line Items]</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="us-gaap_IncomeTaxContingencyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes [Line Items]</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 Contingency [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Effective tax rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Others, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryforward</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in valuation allowance for deferred tax assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount</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/terseLabel">Aggregate 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="us-gaap_CommonStockConvertibleConversionPriceDecrease_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_CommonStockConvertibleConversionPriceDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Convertible, Conversion Price, Decrease</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_KY_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cayman [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_KY_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CAYMAN ISLANDS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CN_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PRC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CN_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CHINA</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 provision for 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/totalLabel">LOSS BEFORE PROVISION FOR 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_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Reconciles the U.S. Statutory Rates to the Company&#8217;s Effective Tax Rate [Abstract]</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">State statutory rate, 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/verboseLabel">State effective tax</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="znb_CapitalExpenditurePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital expenditure payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CapitalExpenditurePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Expenditure Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CapitalExpenditurePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital expenditure payable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repaid amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Repayments of) Debt, Total</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="znb_ScheduleOfOtherPayablesRelatedPartyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Other Payables Related Party Abstract</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</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">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedPayrollTaxesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payroll and payroll tax payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedPayrollTaxesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Payroll Taxes, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total net deferred tax assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ModelQueenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Model Queen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ModelQueenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Model Queen Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FutureTaxableIncomeForUnlimitedYearsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of future taxable income for unlimited years</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FutureTaxableIncomeForUnlimitedYearsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Future Taxable Income For Unlimited Years Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FutureTaxableIncomeForUnlimitedYearsPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The net operating loss carry forwards are available to reduce future years taxable income for unlimited years but limited to use per year.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net deferred tax assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net of Valuation Allowance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NetCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net carrying amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NetCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Carrying Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NetCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net carrying amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AdditionalDepreciationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AdditionalDepreciationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Depreciation Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AdditionalDepreciationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional depreciation expenses.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OriginalCostOfDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Original cost of accumulated depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OriginalCostOfDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Original Cost Of Depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OriginalCostOfDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Original cost of accumulated depreciation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less accumulated depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment, Other, after Accumulated Depreciation, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_RelatedPartyTransactionNatureOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nature</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_RelatedPartyTransactionNatureOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Nature Of Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_RelatedPartyTransactionNatureOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">A description of the related party nature transaction.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LouisLuoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Louis Luo [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LouisLuoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Louis Luo Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentOptionalConversionTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument optional conversion, term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentOptionalConversionTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Optional Conversion Term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_DebtInstrumentOptionalConversionTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument, optional conversion, term.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfTradingDaysUsedToCalculateVolumeWeightedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of trading days used to calculate VWAP</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfTradingDaysUsedToCalculateVolumeWeightedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Trading Days Used To Calculate Volume Weighted Average Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfTradingDaysUsedToCalculateVolumeWeightedAveragePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of trading days used to calculate volume weighted average price per share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds to redeem notes, percentage of principal</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AggregateSubscriptionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate subscription amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AggregateSubscriptionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Subscription Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_AggregateSubscriptionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of aggregate subscription amount.</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="znb_OneCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">One Customer [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OneCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">One Customer Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">COST OF REVENUE</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Revenue [Abstract]</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/terseLabel">Segment gross loss</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_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse stock split</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reverse share split</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity, Reverse Stock Split</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/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/totalLabel">Total shareholders&#8217; equity</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_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Receivables from service provider</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_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for income tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</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="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ICFR Auditor Attestation Flag</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAccountingStandard_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Accounting Standard</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Financial Statement Error Correction [Flag]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_VendorConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vendor Concentration Risk [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_VendorConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vendor Concentration Risk [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ExtraordinaryGeneralMeetingOfShareholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Extraordinary General Meeting Of Shareholders [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ExtraordinaryGeneralMeetingOfShareholdersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extraordinary General Meeting Of Shareholders [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ChangeInShareCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in Share Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ChangeInShareCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Share Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SPANineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SPA 9 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SPANineMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SPA 9 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Financing Costs, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance or Sale of Equity, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressesAddressTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Addresses, Address Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AddressTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Address Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_BusinessContactMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Contact</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_BusinessContactMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Contact [Member]</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="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</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_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cancellation of shares issued for acquisition of equipment (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="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued for compensation (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConsultingServiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consulting service [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConsultingServiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consulting Service Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OtherExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other expense, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OtherExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Expense Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OtherExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of other expense net.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taxes, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss on extinguishment of debts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss on extinguishment of debts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivableFromShareholdersOrAffiliatesForIssuanceOfCapitalStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivableFromShareholdersOrAffiliatesForIssuanceOfCapitalStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivable from Shareholders or Affiliates for Issuance of Capital Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in fair value of derivative liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Derivative Liabilities</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/2009/role/negatedLabel">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="znb_July2026SecuritiesPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">July 2026 Securities Purchase Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognized amounts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Legal Settlements</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringPeriodValueIssuedForCashlessExerciseOfWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cashless exercise of warrants into ordinary shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringPeriodValueIssuedForCashlessExerciseOfWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Issued For Cashless Exercise Of Warrants Into Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringPeriodValueIssuedForCashlessExerciseOfWarrantsIntoOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value issued for cashless exercise of warrants into ordinary shares.</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">Conversion of convertible notes payable into ordinary shares</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_FairValueAdjustmentOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incremental fair value on modification of warrants</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="znb_ReverseShareSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse share split</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ReverseShareSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse Share Split</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ReverseShareSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Description of the reverse share split.</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/definitionGuidance">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="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income (loss)</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="znb_NumberOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_NumberOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of warrants.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_MarchTwentyTwentySixSecuritiesPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March 2026 Securities Purchase Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationShareBasedPaymentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred share compensation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationShareBasedPaymentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Compensation, Share-Based Payments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares and pre-funded warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringPeriodSharesIssuedCashlessExerciseOfWarrantsIntoOrdinarySharesinShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cashless exercise of warrants into ordinary shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringPeriodSharesIssuedCashlessExerciseOfWarrantsIntoOrdinarySharesinShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Issued Cashless Exercise Of Warrants Into Ordinary Sharesin Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_StockIssuedDuringPeriodSharesIssuedCashlessExerciseOfWarrantsIntoOrdinarySharesinShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares issued in cashless exercise of warrants into ordinary shares.</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">Issuance of ordinary shares</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/2009/role/negatedLabel">Cancellation of shares issued for acquisition of equipment</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="us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of convertible notes payable into ordinary shares (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="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued for compensation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Warrants Outstanding, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Warrants Outstanding, Exercised</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LossPerSharesScheduleofBasicandDilutedLossPerShareDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Per Shares - Schedule of Basic and Diluted Loss Per Share (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock [Member]</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="znb_MrLouisLuoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mr. Louis Luo [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_MrLouisLuoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mr Louis Luo Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TwoThousandTwentyFourEquityInventivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024 Equity Inventive Plan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TwoThousandTwentyFourEquityInventivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Four Equity Inventive Plan Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">SELLING, GENERAL AND ADMINISTRATIVE EXPENSES</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_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</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="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfBasicAndDilutedLossPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Basic And Diluted Loss Per Share Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Shares, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of share based compensation arrangement by share based payment award equity instruments other than options aggregate intrinsic value forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants converted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Conversion of Convertible Securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SPATenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SPA 10 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SPATenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SPA 10 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Addresses [Table]</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_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FinanceExpenses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Finance expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FinanceExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_FinanceExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of finance expense during the reporting period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LossPerClassAAndClassBOrdinaryShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LOSS PER CLASS A and CLASS B ORDINARY SHARE</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LossPerClassAAndClassBOrdinaryShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Per Class AAnd Class BOrdinary Share Abstract</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_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">(Loss) income per share - basic and diluted</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_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/label">Retained Earnings [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_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_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Restricted Stock Award, Gross</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/verboseLabel">Fair value 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_RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock, Shares Issued Net of Shares for Tax Withholdings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareholdersEquityDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholders&#8217; Equity (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted shares cancelled (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Restricted Stock Award, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ClassAOrdinarySharesIssuedForAcquisitionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A Ordinary Shares Issued for Acquisitions [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash fee percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Fee Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CashFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash fee.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndCollectionOfReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndCollectionOfReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale and Collection of Receivables, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_GrossCashProceedsReceivedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross cash proceeds received percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_GrossCashProceedsReceivedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Cash Proceeds Received Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_GrossCashProceedsReceivedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gross cash proceeds received.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TailFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tail fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TailFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of tail fee.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OfferingTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Offering 2 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_OfferingTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Offering 2 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfUnitsForCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of units for cryptocurrency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfUnitsForCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Units for Cryptocurrency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfUnitsForCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of issuance of units for cryptocurrency.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfUnitForCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of units for cryptocurrency (in shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfUnitForCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Unit for Cryptocurrency</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_IssuanceOfUnitForCryptocurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of issuance of units for cryptocurrency.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Aggregate Intrinsic Value, Unvested Beginning</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Aggregate Intrinsic Value, Unvested Ending</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Grant Date Fair Value Per Share, Forfeited</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares, Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TotalSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Sales [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TotalSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total Sales Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PurchasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PurchasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchases Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DueFromBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits held at banks (in Dollars)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DueFromBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Due from Banks</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 risk, 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="znb_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="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Restricted Stock Grants [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfRestrictedStockGrantsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Restricted Stock Grants [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementbyShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value, Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementbyShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangementby Share Based Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareBasedCompensationArrangementbyShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of share based compensation arrangement by share based payment award equity instruments other than options aggregate intrinsic value granted.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Grant Date Fair Value Per Share, Vested</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Shares, Unvested Ending</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Shares, Unvested Beginning</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Warrant Activity [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 segments</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_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier [Domain]</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>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SharesReverseSplitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Reverse Split [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_VendorTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vendor Two [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_VendorThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vendor Three [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_VendorOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vendor One [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LessAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_LessAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Less [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SubDivisionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sub-Division [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareCapitalIncreaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Capital Increase [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CancellationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cancellation [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PaidUpCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Paid-Up Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PaidUpCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Paid-up capital.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ExchangeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exchange rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ExchangeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exchange Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ExchangeRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">exchange rate.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of warrant</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_BitcoinbackedTokenIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bitcoin-backed token issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_BitcoinbackedTokenIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bitcoin-backed token issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_BitcoinbackedTokenIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bitcoin-backed token issued.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_TwoThousandTwentySixShareConsolidationThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026 Share Consolidation 3 [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherSellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other selling, general and administrative expenses</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplierConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier Concentration Risk [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital expenditure payable</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ShareholdersEquityScheduleofRestrictedStockGrantsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholders&#8217; Equity - Schedule of Restricted Stock Grants (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Grant Date Fair Value Per Share, Granted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Shares, Vested</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value, Vested</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_SecuredTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Term Loan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MaturitiesOfLongTermDebtAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Obligation Payable [Abstract]</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">For the twelve months ending June 30, 2027</link:label>
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    <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, Total</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/label">Debt Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of presentation</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plant and equipment, net</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ConversionOfOtherPayablesToTermLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of other payables to term loan</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_CryptocurrencyReceivedFromIssuanceOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cryptocurrency received from issuance of units</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Estimated Useful Lives of Assets</link:label>
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    <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>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfOtherReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Receivables</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="znb_ScheduleOfOtherReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular of other receivables table text block.</link:label>
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    <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 Plant and Equipment</link:label>
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