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<!-- Creation Date: 2026-09-21T10:18:07.9879+00:00 -->
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money market funds [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AcquisitionsandDisposalsScheduleofFairValueofPurchasePriceanditsFinalAllocationtotheAssetsAcquiredandLiabilitiesDetailsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions and Disposals - Schedule of Fair Value of Purchase Price and its Final Allocation to the Assets Acquired and Liabilities (Details) [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ItemsInTheStatementsOfIncomeAndCashFlowsOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Items in the Statements of Operations and Cash Flows [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ItemsInTheStatementsOfIncomeAndCashFlowsOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Items In The Statements Of Income And Cash Flows One Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ScheduleOfCurrencyExchangeRateAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Currency Exchange Rate Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_BalanceSheetItemsExceptForEquityAccountsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Items, Except for Equity Accounts [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_BalanceSheetItemsExceptForEquityAccountsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Items Except For Equity Accounts Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyExchangeRateTranslation1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Currency exchange rates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyExchangeRateTranslation1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Exchange Rate, Translation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Recurring [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AcquisitionsandDisposalsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions and Disposals (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Name [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalOfNisunBVIAndItsSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposal of Nisun BVI and its subsidiaries [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalOfNisunBVIAndItsSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Of Nisun BVIAnd Its Subsidiaries Member</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_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisitions and Disposals [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization and Business Description [Line Items]</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">Cash 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_DisposalGroupIncludingDiscontinuedOperationConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total consideration</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="nisn_SummaryofSignificantAccountingPoliciesScheduleofCurrencyExchangeRateDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Significant Accounting Policies - Schedule of Currency Exchange Rate (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AcquisitionOfYDNetworkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition of YD Network [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AcquisitionOfYDNetworkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Of YDNetwork Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AcquisitionsAndDisposalsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisitions and Disposals [Abstract]</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_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity interest percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary, Ownership Percentage, Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationEquityMethodInvestmentRetainedAfterDisposalOwnershipInterestAfterDisposal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposed percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationEquityMethodInvestmentRetainedAfterDisposalOwnershipInterestAfterDisposal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Equity Method Investment Retained after Disposal, Ownership Interest after Disposal</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Disposal loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Disposition of Stock in Subsidiary</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term investments:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Investments [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SummaryofSignificantAccountingPoliciesScheduleofIntangibleAssetsUsefulLifeDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Significant Accounting Policies - Schedule of Intangible Assets Useful Life (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_CustomerBaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer base [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_CustomerBaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Base Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Useful life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Useful Life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short term investments</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Intangible Assets Useful Life [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Intangible Assets Useful Life [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Intangible Assets [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatementOfFinancialPositionBalanceLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement Of Financial Position Balance Location [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatementOfFinancialPositionBalanceLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement Of Financial Position Balance Location [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatementOfIncomeBalanceLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Balance Location [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatementOfIncomeBalanceLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Balance Location [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CurrencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Currency [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_AllCurrenciesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">All Currencies [Domain]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_CNY_lbl" xlink:role="http://www.xbrl.org/2003/role/label">China, Yuan Renminbi</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_USD_lbl" xlink:role="http://www.xbrl.org/2003/role/label">United States of America, Dollars</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationAddWritesoffOfNetAmountsDueFromDisposedSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Add:Writes-off of net amounts due from disposed subsidiaries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationAddWritesoffOfNetAmountsDueFromDisposedSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Add Writesoff Of Net Amounts Due From Disposed Subsidiaries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationAddWritesoffOfNetAmountsDueFromDisposedSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Add:Writes-off of net amounts due from disposed subsidiaries.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_NiSunOceanQingdaoSupplyChainInvestmentCoLtdNisunOceanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">NiSun Ocean (Qingdao) Supply Chain Investment Co., Ltd.(&#8220;Nisun Ocean&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_NiSunOceanQingdaoSupplyChainInvestmentCoLtdNisunOceanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ni Sun Ocean Qingdao Supply Chain Investment Co Ltd Nisun Ocean Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_NisunBeijingSupplyChainManagementCoLtdNisunBeijingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nisun (Beijing) Supply Chain Management Co., Ltd.(&#8220;Nisun Beijing&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_NisunBeijingSupplyChainManagementCoLtdNisunBeijingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nisun Beijing Supply Chain Management Co Ltd Nisun Beijing Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_RizhaoSailangMiningCoLtdRZSailangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rizhao Sailang Mining Co., Ltd.(&#8220;RZ Sailang&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_RizhaoSailangMiningCoLtdRZSailangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rizhao Sailang Mining Co Ltd RZSailang Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_KhorgosFanningNetworkTechnologyCoLtdKhorgosFanningMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Khorgos Fanning Network Technology Co., Ltd. (&#8220;Khorgos Fanning&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_KhorgosFanningNetworkTechnologyCoLtdKhorgosFanningMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Khorgos Fanning Network Technology Co Ltd Khorgos Fanning Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_HebeiRuizuTradingCoLtdHebeiRuizuMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hebei Ruizu Trading Co., Ltd. (&#8220;Hebei Ruizu&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_HebeiRuizuTradingCoLtdHebeiRuizuMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hebei Ruizu Trading Co Ltd Hebei Ruizu Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_BeijingHengtaiPuhuiInformationServicesCoLtdHengpuMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Beijing Hengtai Puhui Information Services Co., Ltd ("Hengpu") [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_BeijingHengtaiPuhuiInformationServicesCoLtdHengpuMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Beijing Hengtai Puhui Information Services Co Ltd Hengpu Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_KhorgosFintechNetworkTechnologCoLtdKhorgosMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Khorgos Fintech Network Technology Co., Ltd. (&#8220;Khorgos&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_KhorgosFintechNetworkTechnologCoLtdKhorgosMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Khorgos Fintech Network Technolog Co Ltd Khorgos Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShanghaiKeqiyaInternationalTradeCoLtdKeqiyaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shanghai Keqiya International Trade Co., Ltd.(&#8220;Keqiya&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShanghaiKeqiyaInternationalTradeCoLtdKeqiyaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shanghai Keqiya International Trade Co Ltd Keqiya Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanshengkeSupplyChainShanghaiCoLtdFanshengkeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fanshengke Supply Chain (Shanghai) Co., Ltd.(&#8220;Fanshengke&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanshengkeSupplyChainShanghaiCoLtdFanshengkeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fanshengke Supply Chain Shanghai Co Ltd Fanshengke Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_LiaogangNiSunYingkouSupplyChainManagementCoLtdLiaogangYingkouMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liaogang NiSun (Yingkou) Supply Chain Management Co., Ltd.(&#8220;Liaogang Yingkou&#8221;) [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_NanjingNisunGoldCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nanjing Nisun Gold Co., Ltd. (&#8220;Nisun Gold&#8221;) [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechSupplyChainManagementShenzhenCoLtdFintechShenzhenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fintech Supply Chain Management (Shenzhen) Co., Ltd.(&#8220;Fintech Shenzhen&#8221;) [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of incorporation/ acquisition</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PercentageOfDirectOrIndirectEconomicInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of direct or indirect economic interest</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PercentageOfDirectOrIndirectEconomicInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of direct or indirect economic interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ScheduleOfDiscontinuedOperationsConsolidatedBalanceSheetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Discontinued Operations Consolidated Balance Sheets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanlunkeSupplyChainManagementShanghaiCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fanlunke Supply Chain Management (Shanghai) Co., Ltd. (&#8220;Fanlunke Shanghai&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanlunkeSupplyChainManagementShanghaiCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fanlunke Supply Chain Management Shanghai Co Ltd Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_HenanFintechDigitalTechnologyCoLtdHenanFintechMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Henan Fintech Digital Technology Co., Ltd. (&#8220;Henan Fintech&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_HenanFintechDigitalTechnologyCoLtdHenanFintechMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Henan Fintech Digital Technology Co Ltd Henan Fintech Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanlunkeTradingChengduCoLtdFanlunkeChengduMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fanlunke Trading (Chengdu) Co., Ltd. (&#8220;Fanlunke Chengdu&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanlunkeTradingChengduCoLtdFanlunkeChengduMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fanlunke Trading Chengdu Co Ltd Fanlunke Chengdu Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableInterestEntityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Interest Entity [Line Items]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationAdvanceToSuppliersNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advance to suppliers, net</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationAdvanceToSuppliersNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount classified as advance to suppliers attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables from supply chain solutions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Other Assets, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ZhumadianNiSunSupplyChainManagementCoLtdNisunZMDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Zhumadian NiSun Supply Chain Management Co., Ltd.(&#8220;Nisun ZMD&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ZhumadianNiSunSupplyChainManagementCoLtdNisunZMDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Zhumadian Ni Sun Supply Chain Management Co Ltd Nisun ZMDMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_QingdaoSailangInternationalTradeCoLtdSailangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Qingdao Sailang International Trade Co., Ltd.(&#8220;Sailang&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_QingdaoSailangInternationalTradeCoLtdSailangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Qingdao Sailang International Trade Co Ltd Sailang Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GansuZhonghexiTradingCoLtdGansuZhonghexiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gansu Zhonghexi Trading Co., Ltd.(&#8220;Gansu Zhonghexi&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GansuZhonghexiTradingCoLtdGansuZhonghexiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gansu Zhonghexi Trading Co Ltd Gansu Zhonghexi Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanshengkeSupplyChainFujianCoLtdFanshengkeFujianMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fanshengke Supply Chain (Fujian) Co., Ltd. (&#8220;Fanshengke Fujian&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanshengkeSupplyChainFujianCoLtdFanshengkeFujianMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fanshengke Supply Chain Fujian Co Ltd Fanshengke Fujian Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShanghaiNingzhuanTradingPartnershipEnterpriseNingzhuanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shanghai Ningzhuan Trading Partnership Enterprise (&#8220;Ningzhuan&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShanghaiNingzhuanTradingPartnershipEnterpriseNingzhuanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shanghai Ningzhuan Trading Partnership Enterprise Ningzhuan Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechShanghaiDigitalTechnologyCoLtdFintechShanghaiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fintech (Shanghai) Digital Technology Co., Ltd. (&#8220;Fintech Shanghai&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechShanghaiDigitalTechnologyCoLtdFintechShanghaiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fintech Shanghai Digital Technology Co Ltd Fintech Shanghai Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShanghaiLuyaoFinancialConsultingCoLtdLuyaoShanghaiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shanghai Luyao Financial Consulting Co., Ltd. (&#8220;Luyao Shanghai&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShanghaiLuyaoFinancialConsultingCoLtdLuyaoShanghaiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shanghai Luyao Financial Consulting Co Ltd Luyao Shanghai Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_JilinProvinceLingangSupplyChainManagementCoLtdLingangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Jilin Province Lingang Supply Chain Management Co., Ltd (&#8220;Lingang&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_JilinProvinceLingangSupplyChainManagementCoLtdLingangMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Jilin Province Lingang Supply Chain Management Co Ltd Lingang Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanningkeDigitalTechnologyShanghaiCoLtdFanningkeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fanningke Digital Technology (Shanghai) Co., Ltd.(&#8220;Fanningke&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanningkeDigitalTechnologyShanghaiCoLtdFanningkeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fanningke Digital Technology Shanghai Co Ltd Fanningke Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechHenanTradingCoLtdHenanTradingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fintech (Henan) Trading Co., Ltd.(&#8220;Henan Trading&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechHenanTradingCoLtdHenanTradingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fintech Henan Trading Co Ltd Henan Trading Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_HangzhouFengtaiSupplyChainManagementCoLtdFengtaiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hangzhou Fengtai Supply Chain Management Co., Ltd. (&#8220;Fengtai&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_HangzhouFengtaiSupplyChainManagementCoLtdFengtaiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hangzhou Fengtai Supply Chain Management Co Ltd Fengtai Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechShandongSupplyChainManagementCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fintech (Shandong) Supply Chain Management Co., Ltd. (&#8220;Fintech Shandong&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechShandongSupplyChainManagementCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fintech Shandong Supply Chain Management Co Ltd Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SubsidiariesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsidiaries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SubsidiariesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiaries Abstract</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents and restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechSupplyChainManagementNingboCoLtdFintechNingboMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fintech Supply Chain Management (Ningbo) Co., Ltd. (&#8220;Fintech Ningbo&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FintechSupplyChainManagementNingboCoLtdFintechNingboMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fintech Supply Chain Management Ningbo Co Ltd Fintech Ningbo Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanlunKeTradingNanjingCoLtdFanlunkeNanjingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fanlun Ke Trading (Nanjing) Co., Ltd. (&#8220;Fanlunke Nanjing&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanlunKeTradingNanjingCoLtdFanlunkeNanjingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fanlun Ke Trading Nanjing Co Ltd Fanlunke Nanjing Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_FanlunkeNewRetailChengduCoLtdFanlunkeRetailMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fanlunke New Retail (Chengdu) Co., Ltd. (&#8220;Fanlunke Retail&#8221;) [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventories</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationLossOnDisposalRecognizedInTheConsolidatedStatementsOfOperationsAndComprehensive_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loss on disposal recognized in the Consolidated Statements of Operations and Comprehensive (Loss) Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationLossOnDisposalRecognizedInTheConsolidatedStatementsOfOperationsAndComprehensive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Loss On Disposal Recognized In The Consolidated Statements Of Operations And Comprehensive</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationLossOnDisposalRecognizedInTheConsolidatedStatementsOfOperationsAndComprehensive_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss on disposal recognized in the Consolidated Statements of Operations and Comprehensive.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
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    <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_ConcentrationRiskLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration of Major Customers [Line Items]</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">Concentration Risk [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_MajorCustomerThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Major Customer Three [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_MajorCustomerThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Major Customer Three Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_MajorCustomerThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Major Customer Three.</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="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Schedule of Accounts Receivable [Line Items]</link:label>
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    <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, Notes, Loans and Financing Receivable [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansHeldForSaleTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan term</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansHeldForSaleTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan, Held-for-Sale, Term</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_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Investments [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets, Net [Abstract]</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="nisn_MajorCustomerOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Major Customer One [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_MajorCustomerOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Major Customer One Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_MajorCustomerOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the member of major customer second.</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="country_HK_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">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/definitionGuidance">HK [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/terseLabel">Hongkong [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_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">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_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent</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</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</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_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Condensed Cash Flows of Disposal Group [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Discontinued Operations in the Consolidated Statements of Operations and Comprehensive Loss [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provide by 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/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="nisn_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Research and development expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Research And Development Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of research and development expenses.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationGoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Goodwill Impairment Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationGoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Goodwill Impairment Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationGoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of goodwill impairment loss.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOtherIncomeExpensesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (expenses), net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOtherIncomeExpensesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Other Income Expenses Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOtherIncomeExpensesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of other income attributable to disposal group, including, but not limited to, discontinued operation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loss (income) before income taxes from discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ScheduleOfDiscontinuedOperationsInTheConsolidatedStatementsOfOperationsAndComprehensiveLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Discontinued Operations In The Consolidated Statements Of Operations And Comprehensive Loss Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in (provide) by operating activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET CASH PROVIDED BY (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_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provide by (used in) 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/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_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">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="nisn_DisposalGroupIncludingDiscontinuedOperationBadDebtExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Bad debt expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationBadDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Bad Debt Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationBadDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of bad debt expense.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationInterestAndInvestmentIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and investment income (expenses)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationInterestAndInvestmentIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Interest And Investment Income Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationInterestAndInvestmentIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of interest income attributable to disposal group, including, but not limited to, discontinued operation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DiscontinuedOperationNetGainOnSaleOfDiscontinuedOperationsNetOfApplicableIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net gain on sale of discontinued operations, net of applicable income tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DiscontinuedOperationNetGainOnSaleOfDiscontinuedOperationsNetOfApplicableIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation Net Gain On Sale Of Discontinued Operations Net Of Applicable Income Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DiscontinuedOperationNetGainOnSaleOfDiscontinuedOperationsNetOfApplicableIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of net gain on sale of discontinued operations, net of applicable income tax.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Provision for Loss (Gain) on Disposal, Net of Tax</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 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/terseLabel">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</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity securities, at cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Equity securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities, FV-NI, Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GainFromChangesInFairValueEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain from changes in fair value-Equity securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GainFromChangesInFairValueEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GainFromChangesInFairValueEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain From Changes In Fair Value-Equity Securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GainFromChangesInFairValueEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain from changes in fair value-equity securities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GainFromChangesInFairValueMoneyMarketFunds_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain from changes in fair value-Money market funds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GainFromChangesInFairValueMoneyMarketFunds_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Money market fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GainFromChangesInFairValueMoneyMarketFunds_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain From Changes In Fair Value-Money Market Funds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_GainFromChangesInFairValueMoneyMarketFunds_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain from changes in fair value-money market funds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Money market funds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money market funds, at cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Cost</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">Accounts Receivable, Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accounts receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, after Allowance for Credit Loss, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Reconciliation Between the Provision for Income Taxes [Abstract]</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">Income (loss) from continuing operations before income taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">INCOME (LOSS) BEFORE INCOME TAXES FROM CONTINUING OPERATIONS</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, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax at the Hong Kong statutory tax rate of 16.5%</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ScheduleOfOtherReceivablesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Receivables [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TwotieredTaxConcession_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Two-tiered tax concession (first HK$2m at 8.25%)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TwotieredTaxConcession_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two-tiered tax Concession</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TwotieredTaxConcession_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two-tiered tax concession.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of different tax rates of subsidiaries operating in other jurisdictions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationOtherReconcilingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SubscriptionReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription receivable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_LoansToThirdPartiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans to third parties [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ConsiderationReceivableFromDisposalOfSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consideration receivable from Disposal of subsidiaries [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">Income tax expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">INCOME TAX EXPENSES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ReverseTheIncomeTaxOveraccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse the income tax over-accrued in 2025</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ReverseTheIncomeTaxOveraccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse The Income Tax Over-accrued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ReverseTheIncomeTaxOveraccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reverse the income tax over-accrued  amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AmountOfTaxConcession_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount of Tax Concession</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AmountOfTaxConcession_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of tax concession.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_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="nisn_MajorCustomerTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Major Customer Two [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_MajorCustomerTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Major Customer Two Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_MajorCustomerTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Major Customer Two.</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">Customers 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="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="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="nisn_ScheduleOfCondensedCashFlowsOfDisposalGroupAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Condensed Cash Flows Of Disposal Group Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: accumulated amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation [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="us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation Between the Provision for Income Taxes [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation [Line Items]</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_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="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="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_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Zhao Yun [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/label">Related Party [Member]</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="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="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">INCOME (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_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET INCOME (LOSS) FROM CONTINUING OPERATIONS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Discontinued operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income attributable to non-controlling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest</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">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</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">OTHER COMPREHENSIVE (LOSS) INCOME</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">COMPREHENSIVE INCOME (LOSS)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO SHAREHOLDERS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EARNINGS PER COMMON SHARE- 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_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of shares outstanding-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_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_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common 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/label">Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatutoryReservesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory reserves</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatutoryReservesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Reserves Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non- controlling Interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="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_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET INCOME (LOSS)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income(loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income (loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</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/verboseLabel">Class A</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 Common 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 Common 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/definitionGuidance">Class A 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/label">Common Class A [Member]</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="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="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="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Class B Common 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 Common Shares</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_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_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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET DECREASE IN CASH AND CASH EQUIVALENTS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect, Continuing Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">CASH AND CASH EQUIVALENTS -ENDING</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</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for income taxes</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="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITIES:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncash Investing and Financing Items [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ORGANIZATION AND BUSINESS DESCRIPTION</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements Disclosure [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_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ACQUISITIONS AND DISPOSALS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]</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">Shares issued for shares-based 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="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">OTHER RECEIVABLES</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">INCOME TAXES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndNontradeReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ACCOUNTS RECEIVABLE, NET</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndNontradeReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts and Nontrade Receivable [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_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_RisksAndUncertaintiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration of Major Customers [Abstract]</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_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [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="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_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_EquityAbstract_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_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Treasury shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common, Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax</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="nisn_SmallAndMediumEnterpriseFinancingSolutionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Small and Medium Enterprise Financing Solutions [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SmallAndMediumEnterpriseFinancingSolutionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Small And Medium Enterprise Financing Solutions Member</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_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Total revenue</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer, Including Assessed Tax</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_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">OPERATING EXPENSES:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StockIssuedDuringPeriodValueStatutoryReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory reserves</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StockIssuedDuringPeriodValueStatutoryReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Statutory Reserves</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StockIssuedDuringPeriodValueStatutoryReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value of shares issued during the period statutory reserves.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Shares, Acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_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_TreasuryStockCommonShares_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_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common, Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation, Depletion and Amortization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common 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/verboseLabel">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/presentationGuidance">Share price</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_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_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_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="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_InformationTechnologyServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Information Technology Services [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_InformationTechnologyServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Information Technology Services Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">REVENUES:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cost of revenue - services</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Product and Service Sold</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">General and administrative expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TreasurySharesRepurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TreasurySharesRepurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Shares Repurchased</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TreasurySharesRepurchased_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</link:label>
    <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>
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    <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_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued for compensation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Stock and Warrants for Services or Claims</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common shares, shares authorized (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</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">Common shares, shares outstanding (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common 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_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_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impairment for goodwill</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill, Impairment Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income from investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Equity Method Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Receivables from supply chain solutions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableTrade_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableTrade_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Payable, Trade</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taxes payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Income Taxes Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseDecreaseInPayableToSupplyChainSolutions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payable to supply chain solutions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseDecreaseInPayableToSupplyChainSolutions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Payable To Supply Chain Solutions</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other current liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Liabilities and Other Operating 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_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Intangible Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of short-term investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Short-Term Investments</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="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_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_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_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit (Retained Earnings)</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_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Other Comprehensive 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="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_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_IncomeLossFromDiscontinuedOperationsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestInNetIncomeLossOfConsolidatedEntitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income attributable to non-controlling interests:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestInNetIncomeLossOfConsolidatedEntitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Attributable to Noncontrolling Interest [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesReverseStockSplits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued for adjustments to reverse stock 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="nisn_StockIssuedDuringPeriodValueReverseStockSplits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued for adjustments to reverse stock split</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StockIssuedDuringPeriodValueReverseStockSplits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">StockIssuedDuringPeriodValueReverseStockSplits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StockIssuedDuringPeriodValueReverseStockSplits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reduction in the number of value during the period as a result of a reverse stock split.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholders&#8217; Equity [Abstract]</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 [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_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_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_CashAndCashEquivalentsAtCarryingValue_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_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalent</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_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to related parties - current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Related party balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Current</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_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other current liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_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_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</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="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SwiftPrimeLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SPL [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SwiftPrimeLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Swift Prime Limited [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscribedButUnissued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares subscribed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscribedButUnissued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Subscribed but Unissued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscriptions_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_CommonStockSharesSubscriptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Subscriptions</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 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_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="nisn_SecuritiesPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Purchase Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_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="us-gaap_ExcessStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExcessStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excess Stock, Shares Authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SummaryofSignificantAccountingPoliciesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Significant Accounting Policies (Details) [Table]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsidiaries [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiaries [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsidiaries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_VG_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">BVI [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_VG_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VIRGIN ISLANDS, BRITISH</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="nisn_AfterTaxProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After-tax profit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AfterTaxProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">After Tax Profit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AfterTaxProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The percentage of after tax profit based on PRC accounting standards and regulations to the general reserve.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PostemploymentBenefitPlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee benefits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PostemploymentBenefitPlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Postemployment Benefit Plans, Policy [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">Accounts receivable, net</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="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Comprehensive income (loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income, Policy [Policy Text Block]</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">Earnings (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="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization and Business Description [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Intangible Assets Useful Life</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets Amortization Expense [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Discontinued Operations in the Consolidated Statements of Operations and Comprehensive Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Groups, Including Discontinued Operations [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Accounts Receivable</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShanghaiNaqingEnterpriseManagementCoLtdNaqingOrWFOEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shanghai Naqing Enterprise Management Co., Ltd (&#8220;Naqing&#8221; or &#8220;WFOE&#8221;) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShanghaiNaqingEnterpriseManagementCoLtdNaqingOrWFOEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shanghai Naqing Enterprise Management Co Ltd Naqing Or WFOEMember</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedEquityInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Equity investments</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Deferred Tax Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taxes payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Accounts Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PayablesToSupplyChainSolutions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payables to supply chain solutions</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationLossOnDisposalBeforeReclassificationOfCumulativeForeignCurrencyTranslationDifferencesOfTh_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loss on disposal before reclassification of cumulative foreign currency translation differences of the Disposal Group to profit or loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationLossOnDisposalBeforeReclassificationOfCumulativeForeignCurrencyTranslationDifferencesOfTh_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Loss On Disposal Before Reclassification Of Cumulative Foreign Currency Translation Differences Of Th</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationLossOnDisposalBeforeReclassificationOfCumulativeForeignCurrencyTranslationDifferencesOfTh_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss on disposal before reclassification of cumulative foreign currency translation differences of the disposal group to profit or loss.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxHolidayLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes [Line Items]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_CustomerBaseAriseFromAcquisitionOfASubsidiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer base arise from acquisition of a subsidiary [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_CustomerBaseAriseFromAcquisitionOfASubsidiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Base Arise From Acquisition Of ASubsidiary Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total intangible assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Amortization Expense [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2030</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total taxes payable</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ScheduleOfAccountsReceivableAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts Receivable [Abstract]</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">Accounts receivable, gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, before Allowance for Credit Loss, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_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 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="nisn_ScheduleOfOtherReceivablesAbstract_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_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other receivables</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/verboseLabel">Outstanding subscription receivable</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="nisn_ScheduleOfIntangibleAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Intangible Assets Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_OtherReceivablesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Receivables [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_OtherReceivablesDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShortTermInvestmentsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Investments (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TaikangKaitaiUSDollarMoneyMarketFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taikang Kaitai US Dollar Money Market Fund [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TaikangKaitaiUSDollarMoneyMarketFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taikang Kaitai USDollar Money Market Fund Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_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="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Intangible Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ConcentrationofMajorCustomersDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration of Major Customers (Details) [Table]</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="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2029</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedIncomeTaxesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedIncomeTaxesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Income Taxes, Current</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_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/terseLabel">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_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">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="nisn_DisposalGroupIncludingDiscontinuedOperationSellingExpenses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Selling expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationSellingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Selling Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_DisposalGroupIncludingDiscontinuedOperationSellingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of selling expenses.</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/terseLabel">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_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOptionChangesInFairValueGainLoss1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investment income from changes in fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOptionChangesInFairValueGainLoss1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Option, Changes in Fair Value, Gain (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ThirdPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Third Party [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ThirdPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Third Party Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current income tax expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense (Benefit), 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 rate per annum</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="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign tax rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Statutory tax rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PRCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PRC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increased loans</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax profit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Income Tax Expense (Benefit), Continuing Operations, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TaxConcession_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax concession</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TaxConcession_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Concession</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TaxConcession_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tax concession.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity, Remainder of Fiscal Year</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMaturityDate_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_LongTermDebtMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Maturity Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [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 REPORTING</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Operations Business Segment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block]</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">Description of CODM</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/label">Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</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">Operating segment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">GROSS PROFIT</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Profit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total operating expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">OTHER INCOME (EXPENSES):</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonoperating Income (Expense) [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_InterestAndInvestmentIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and investment income (expense)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_InterestAndInvestmentIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest And Investment Income Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_InterestAndInvestmentIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest and investment income (expense).</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 income (expense)</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="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="nisn_YDNetworkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">YD Network [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AccountsReceivableFromServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts receivable from services [Member]</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_PrepaidExpenseAndOtherAssetsCurrent_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_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL CURRENT ASSETS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current</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_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock, Class of Stock [Table]</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_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_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">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_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</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">Board of directors approved the grants</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="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party tansaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Amounts of Transaction</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">Grant-date closing prices (in Dollars per share)</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="nisn_RelatedPartyTransactionsDetailsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions (Details) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</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 bank loans</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Short-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of short-term bank loans</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Short-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued for shares-based 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">Aggregate fair value (in Dollars)</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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EFFECT OF EXCHANGE RATE CHANGE ON CASH AND CASH EQUIVALENTS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect, 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 DISCLOSURES:</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_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for interest</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="nisn_IssuanceOfSharesForSharebasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of shares for share-based compensation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IssuanceOfSharesForSharebasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Shares For Sharebased Compensation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IssuanceOfSharesForSharebasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of issuance of shares for share-based compensation.</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_IntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">INTANGIBLE ASSETS, NET</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance">Common 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/terseLabel">Common shares, shares issued (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common 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_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issue price per share (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions [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 Forth Major Related Parties [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax benefit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpensesOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Prepaid expenses and other current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpensesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expenses, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Inventories</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Inventories</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseDecreaseInAdvanceFromCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advance from customers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseDecreaseInAdvanceFromCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Advance From Customers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseDecreaseInAdvanceFromCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of advance from customers.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherAccountsPayable_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_IncreaseDecreaseInOtherAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Accounts Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Lease Liability</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">Acquisition of property and equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ProceedsFromSaleOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of Derivative asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ProceedsFromSaleOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Sale Of Derivative Asset</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ProceedsFromSaleOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represent the amount of proceeds from sale of derivative asset.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireLongtermInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of short-term investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireLongtermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Long-Term Investments</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_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="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET INCOME (LOSS) ATTRIBUTABLE TO SHAREHOLDERS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation gains</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Comprehensive income attributable to non-controlling interests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">BASIC AND DILUTED EARNINGS PER COMMON SHARE:</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_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EARNINGS PER COMMON SHARE- 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_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of shares outstanding-diluted (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from disposal of property and equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Property, Plant, and Equipment</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">Accounts receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ZhaoYunMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Zhao Yun [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ZhaoYunMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Zhao Yun 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 with the Company</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="nisn_ScheduleOfForthMajorRelatedPartiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Forth Major Related Parties Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SHORT-TERM INVESTMENTS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment [Text Block]</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">CONCENTRATION OF MAJOR CUSTOMERS</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_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="nisn_ChangesInOperatingAssetsAndLiabilitiesAbstract_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="nisn_ChangesInOperatingAssetsAndLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Changes In Operating Assets And Liabilities Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseDecreaseInAdvanceToSuppliers_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Advance to suppliers, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseDecreaseInAdvanceToSuppliers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Advance To Suppliers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseDecreaseInAdvanceToSuppliers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from Advance to suppliers.</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_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation</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="nisn_ReissuanceOfTreasurySharesValueForShareBasedCompensations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reissuance of treasury shares for share-based compensations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ReissuanceOfTreasurySharesValueForShareBasedCompensations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reissuance of Treasury Shares Value For Share Based Compensations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ReissuanceOfTreasurySharesValueForShareBasedCompensations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reissuance of treasury shares for share-based compensations amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ReissuanceOfTreasurySharesForSharebasedCompensations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reissuance of treasury shares for share-based compensations (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ReissuanceOfTreasurySharesForSharebasedCompensations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reissuance Of Treasury Shares For Share-based Compensations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ReissuanceOfTreasurySharesForSharebasedCompensations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reissuance of treasury shares for share-based compensations.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AdjustmentDueToChangeInParValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustment Due to Change in Par Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AdjustmentDueToChangeInParValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment Due to Change in Par Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_AdjustmentDueToChangeInParValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustment due to change in par value.</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_IncomeLossFromContinuingOperationsPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic Earnings Per Common 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="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIABILITIES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted Earnings Per Common 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 Earnings Per Common 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 Earnings Per Common 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="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of Class A common shares in private placement</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_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issuance of Class A common shares in private placement 9in 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/definitionGuidance">Private placement 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_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Continuing operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_RepurchaseTreasuryShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repurchase treasury shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_RepurchaseTreasuryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Treasury shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_RepurchaseTreasuryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of repurchase treasury shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Benchmark [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseInInterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Increase in interest receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseInInterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase in interest receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_IncreaseInInterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of increase in interest receivable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ImpairmentLossOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment loss of assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ImpairmentLossOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment Loss of Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ImpairmentLossOfAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of impairment loss of assets.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PaymentForBusinessAcquisition_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payment for business acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PaymentForBusinessAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for business acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PaymentForBusinessAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of payment for business acquisition.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ProceedsFromDisposalOfSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from disposal of subsidiaries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ProceedsFromDisposalOfSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of proceeds from disposal of subsidiaries.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collections of loans from third parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromCollectionOfLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Collection of Long-Term Loans to Related Parties</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/negatedTerseLabel">Payments made for loans to third parties</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_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from issuance of ordinary shares</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/definitionGuidance">Gross proceeds from issuance shares</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="nisn_SubscriptionReceivableFromOrdinarySharesIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription receivable from ordinary shares issuance</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShareSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Subscription Agreement [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_CommonStockOutstandingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Outstanding Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_CommonStockOutstandingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock outstanding percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of stock owned</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromContributedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Authorized share capital</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retroactive effect reverse share split</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [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="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Incentive Plan [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SubscriptionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Subscription price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SubscriptionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_SubscriptionPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The subscription price per share.</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/verboseLabel">Aggregate purchase 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="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrant 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/definitionGuidance">Warrants to purchase 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">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExcessStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PercentageOfPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of purchase price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_PercentageOfPurchasePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of purchase price.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ExpirePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expire period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ExpirePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expire period.</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="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="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="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Company&#8217;s Subsidiaries [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Uses of estimates</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of financial instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_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="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Policy Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatutoryReservePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory reserves</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatutoryReservePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Reserve Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_StatutoryReservePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Statutory reserve.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipDescriptionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Company&#8217;s Subsidiaries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipDescriptionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Subsidiary of Limited Liability Company or Limited Partnership, Description [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit risk and concentrations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Credit Risk, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TreasurySharesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TreasurySharesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Shares Policy Text Block</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_TreasurySharesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policy for treasury shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Fair Value of Purchase Price and its Final Allocation to the Assets Acquired and Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Financial Instruments Measured at Fair Value on a Recurring Basis</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Currency Exchange Rate</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Short-Term Investments</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock_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="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Amortization Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Forth Major Related Parties</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Related Party Transactions [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ScheduleOfCompanySSubsidiariesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Company SSubsidiaries Abstract</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Subsidiaries and Consolidated VIEs</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Condensed Cash Flows of Disposal Group</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="nisn_ShenzhenQiyaoxingManagementConsultingCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shenzhen Qiyaoxing Management Consulting Co., Ltd. [Member]</link:label>
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