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        <link:roleType roleURI="http://daviscl.com/role/LoanToRelatedPartyNetDetailsNarrative" id="LoanToRelatedPartyNetDetailsNarrative">
          <link:definition>999063 - Disclosure - LOAN TO A RELATED PARTY, NET (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/LeasesDetails-OperatingLeaseAssetAndLiability" id="LeasesDetails-OperatingLeaseAssetAndLiability">
          <link:definition>999064 - Disclosure - LEASES (Details - Operating lease asset and liability)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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        <link:roleType roleURI="http://daviscl.com/role/LeasesDetails-FinanceLeaseInfo" id="LeasesDetails-FinanceLeaseInfo">
          <link:definition>999065 - Disclosure - LEASES (Details - Finance lease info)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/LeasesDetails-FinanceLeaseMaturity" id="LeasesDetails-FinanceLeaseMaturity">
          <link:definition>999066 - Disclosure - LEASES (Details - Finance lease maturity)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/LeasesDetailsNarrative" id="LeasesDetailsNarrative">
          <link:definition>999067 - Disclosure - LEASES (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/BankLoansDetails-BankLoans" id="BankLoansDetails-BankLoans">
          <link:definition>999068 - Disclosure - BANK LOANS (Details - Bank loans)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/BankLoansDetails-RelatedPartyGuaranteedLoans" id="BankLoansDetails-RelatedPartyGuaranteedLoans">
          <link:definition>999069 - Disclosure - BANK LOANS (Details - Related party guaranteed loans)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/BankLoansDetailsNarrative" id="BankLoansDetailsNarrative">
          <link:definition>999070 - Disclosure - BANK LOANS (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/AccrualsAndOtherCurrentLiabilitiesDetails" id="AccrualsAndOtherCurrentLiabilitiesDetails">
          <link:definition>999071 - Disclosure - ACCRUALS AND OTHER CURRENT LIABILITIES (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/EquityDetailsNarrative" id="EquityDetailsNarrative">
          <link:definition>999072 - Disclosure - EQUITY (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/RevenuesByProductDetails-RevenueByProduct" id="RevenuesByProductDetails-RevenueByProduct">
          <link:definition>999073 - Disclosure - REVENUES BY PRODUCT (Details - Revenue by product)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/RevenuesByProductDetails-SummaryByProductType" id="RevenuesByProductDetails-SummaryByProductType">
          <link:definition>999074 - Disclosure - REVENUES BY PRODUCT (Details - Summary by product type)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/RevenuesByProductDetails-SalesByGeographicRegion" id="RevenuesByProductDetails-SalesByGeographicRegion">
          <link:definition>999075 - Disclosure - REVENUES BY PRODUCT (Details - Sales by geographic region)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/RevenuesByProductDetails-RevenueByTiming" id="RevenuesByProductDetails-RevenueByTiming">
          <link:definition>999076 - Disclosure - REVENUES BY PRODUCT (Details - Revenue by timing)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/RevenuesAndSegmentInformationDetailsNarrative" id="RevenuesAndSegmentInformationDetailsNarrative">
          <link:definition>999077 - Disclosure - REVENUES AND SEGMENT INFORMATION (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/IncomeTaxExpensesDetails-IncomeTaxExpense" id="IncomeTaxExpensesDetails-IncomeTaxExpense">
          <link:definition>999078 - Disclosure - INCOME TAX EXPENSES (Details - Income tax expense)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/IncomeTaxExpensesDetails-SingaporeIncomeTaxExpense" id="IncomeTaxExpensesDetails-SingaporeIncomeTaxExpense">
          <link:definition>999079 - Disclosure - INCOME TAX EXPENSES (Details - Singapore income tax expense)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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        <link:roleType roleURI="http://daviscl.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails-UnrealizedGainloss" id="DerivativeInstrumentsAndHedgingActivitiesDetails-UnrealizedGainloss">
          <link:definition>999080 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details - Unrealized gain/loss)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/DerivativeInstrumentsAndHedgingActivitiesDetails-NetEffectOfDerivatives" id="DerivativeInstrumentsAndHedgingActivitiesDetails-NetEffectOfDerivatives">
          <link:definition>999081 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details - Net effect of derivatives)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/CreditFacilitiesDetailsNarrative" id="CreditFacilitiesDetailsNarrative">
          <link:definition>999082 - Disclosure - CREDIT FACILITIES (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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        <link:roleType roleURI="http://daviscl.com/role/RelatedPartyTransactionsDetails" id="RelatedPartyTransactionsDetails">
          <link:definition>999083 - Disclosure - RELATED PARTY TRANSACTIONS (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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        <link:roleType roleURI="http://daviscl.com/role/ConcentrationsAndRisksDetails-ConcentrationOfRevenue" id="ConcentrationsAndRisksDetails-ConcentrationOfRevenue">
          <link:definition>999084 - Disclosure - CONCENTRATIONS AND RISKS (Details - Concentration of revenue)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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        <link:roleType roleURI="http://daviscl.com/role/ConcentrationsAndRisksDetails-ConcentrationByAccountsReceivable" id="ConcentrationsAndRisksDetails-ConcentrationByAccountsReceivable">
          <link:definition>999085 - Disclosure - CONCENTRATIONS AND RISKS (Details - Concentration by accounts receivable)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/ConcentrationsAndRisksDetails-ConcentrationOfSuppliers" id="ConcentrationsAndRisksDetails-ConcentrationOfSuppliers">
          <link:definition>999086 - Disclosure - CONCENTRATIONS AND RISKS (Details - Concentration of suppliers)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
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        </link:roleType>
        <link:roleType roleURI="http://daviscl.com/role/ConcentrationsAndRisksDetails-ConcentrationByAccountsPayable" id="ConcentrationsAndRisksDetails-ConcentrationByAccountsPayable">
          <link:definition>999087 - Disclosure - CONCENTRATIONS AND RISKS (Details - Concentration by accounts payable)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
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    <element id="DTCK_CustomerDMember" name="CustomerDMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SupplierAMember" name="SupplierAMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SupplierBMember" name="SupplierBMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SupplierCMember" name="SupplierCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SupplierDMember" name="SupplierDMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SupplierEMember" name="SupplierEMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SupplierFMember" name="SupplierFMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DueFromRelatedPartiesCurrent1" name="DueFromRelatedPartiesCurrent1" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_LoanToRelatedPartyCurrent" name="LoanToRelatedPartyCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_LoanToRelatedPartyNoncurrent" name="LoanToRelatedPartyNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DueToRelatedPartiesCurrent1" name="DueToRelatedPartiesCurrent1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_AmountDueToRelatedPartyNoncurrent" name="AmountDueToRelatedPartyNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_MergerReserve" name="MergerReserve" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_MergerReserveArisingFromReorganization" name="MergerReserveArisingFromReorganization" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_UnrealizedLossOnDerivativeContractAtFairValue" name="UnrealizedLossOnDerivativeContractAtFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_UnrealizedGainOnDerivativeContractAtFairValue" name="UnrealizedGainOnDerivativeContractAtFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ImpairmentLossInventory" name="ImpairmentLossInventory" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_InterestExpenseOnFinanceLease" name="InterestExpenseOnFinanceLease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_InterestExpenseOnOperatingLeaseLiabilities" name="InterestExpenseOnOperatingLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ProceedsFromInterest" name="ProceedsFromInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_AdvancesFromRelatedParties" name="AdvancesFromRelatedParties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_LoanToRelatedParty" name="LoanToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_RepaymentOfAmountDueToRelatedParty" name="RepaymentOfAmountDueToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ProceedsFromFinanceLease" name="ProceedsFromFinanceLease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_PaymentsOnInterest" name="PaymentsOnInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_PaymentOfInterestOnFinanceLeases" name="PaymentOfInterestOnFinanceLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_CashPaidForTaxes" name="CashPaidForTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_LesseeOperatingAndFinanceLeasesTextBlock" name="LesseeOperatingAndFinanceLeasesTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DisclosureBankLoansAbstract" name="DisclosureBankLoansAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_BankLoansTextBlock" name="BankLoansTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DisclosureCreditFacilitiesAbstract" name="DisclosureCreditFacilitiesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_CreditFacilitiesDisclosureTextBlock" name="CreditFacilitiesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_RisksAndUncertaintiesPolicyTextBlock" name="RisksAndUncertaintiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ForeignCurrencyTranslationsAndTransactionsPolicyTextBlock" name="ForeignCurrencyTranslationsAndTransactionsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_RelatedPartiesPolicyTextBlock" name="RelatedPartiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SellingMarketingExpensesPolicyTextBlock" name="SellingMarketingExpensesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_OperatingLeasePolicyTextBlock" name="OperatingLeasePolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_FinanceLeasePolicyTextBlock" name="FinanceLeasePolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfDetailOfSubsidaries" name="ScheduleOfDetailOfSubsidaries" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfForeignCurrencyExchangeRatesTableTextBlock" name="ScheduleOfForeignCurrencyExchangeRatesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfPropertyAndEquipmentUsefulLivesTableTextBlock" name="ScheduleOfPropertyAndEquipmentUsefulLivesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfAllowanceForExpectedCreditLossesTableTextBlock" name="ScheduleOfAllowanceForExpectedCreditLossesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" name="ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfOperatingLeaseAssetsAndLiabilitiesLesseeTableTextBlock" name="ScheduleOfOperatingLeaseAssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfFinanceLeaseAssetsAndLiabilitiesLesseeTableTextBlock" name="ScheduleOfFinanceLeaseAssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfBankLoansAreGuaranteedByRelatedPartyTableTextBlock" name="ScheduleOfBankLoansAreGuaranteedByRelatedPartyTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_ScheduleOfProductInformationTypeTableTextBlock" name="ScheduleOfProductInformationTypeTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SchedulesOfConcentrationOfRiskByRiskFactorRevenueTableTextBlock" name="SchedulesOfConcentrationOfRiskByRiskFactorRevenueTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SchedulesOfConcentrationOfRiskByRiskFactorAccountReceivableTableTextBlock" name="SchedulesOfConcentrationOfRiskByRiskFactorAccountReceivableTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SchedulesOfConcentrationOfRiskAccountsPayableTableTextBlock" name="SchedulesOfConcentrationOfRiskAccountsPayableTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DisclosureTable" name="DisclosureTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="DTCK_DisclosureLineElements" name="DisclosureLineElements" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DateOfIncorporations" name="DateOfIncorporations" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_PlaceOfIncorporation" name="PlaceOfIncorporation" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_PrincipalActivities" name="PrincipalActivities" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_InitialShareCapital" name="InitialShareCapital" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_InitialShareCapitalPerShare" name="InitialShareCapitalPerShare" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_PropertyPlantAndEquipmentEstimatedUsefulLives1" name="PropertyPlantAndEquipmentEstimatedUsefulLives1" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DisclosureLineItemElements" name="DisclosureLineItemElements" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_AllowanceForDoubtfulAccountsReceivableReversalPeriodIncreaseDecrease" name="AllowanceForDoubtfulAccountsReceivableReversalPeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_PrepaidAndOtherCurrentAssetsLineItems" name="PrepaidAndOtherCurrentAssetsLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_InventoryImpairmentLoss" name="InventoryImpairmentLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_LoanToARelatedPartyGross" name="LoanToARelatedPartyGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_LoanToARelatedPartyCurrent" name="LoanToARelatedPartyCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_FinanceLeaseTerm" name="FinanceLeaseTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_FinanceLeaseInterestRate" name="FinanceLeaseInterestRate" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DebtInstrumentPeriod" name="DebtInstrumentPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_OtherCurrentLiabilitiesLineItems" name="OtherCurrentLiabilitiesLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_UnderprovisionIncomeTaxExpenseBenefit" name="UnderprovisionIncomeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_IncomeTaxReconciliationNondeductibleExpenses" name="IncomeTaxReconciliationNondeductibleExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_EffectiveIncomeTaxRateReconciliationNondeductibleExpense1" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpense1" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_EffectiveIncomeTaxRateReconciliationTaxExemptIncome1" name="EffectiveIncomeTaxRateReconciliationTaxExemptIncome1" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_IncomeTaxReconciliationNondeductibleExpenseOther1" name="IncomeTaxReconciliationNondeductibleExpenseOther1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_EffectiveIncomeTaxRateReconciliationTaxSettlementsOther1" name="EffectiveIncomeTaxRateReconciliationTaxSettlementsOther1" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_EffectiveIncomeTaxRateReconciliationOtherAdjustments1" name="EffectiveIncomeTaxRateReconciliationOtherAdjustments1" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_IncomeTaxReconciliationOtherAdjustments1" name="IncomeTaxReconciliationOtherAdjustments1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_EffectiveIncomeTaxRateReconciliationOtherAdjustments2" name="EffectiveIncomeTaxRateReconciliationOtherAdjustments2" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DerivativeGainLossOnDerivativeNet1" name="DerivativeGainLossOnDerivativeNet1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_InterestIncomeFromRelatedParty" name="InterestIncomeFromRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DirectorsRemuneration" name="DirectorsRemuneration" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DirectorsFeesOfSubsidiary" name="DirectorsFeesOfSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_DirectorsFeesOfCompany" name="DirectorsFeesOfCompany" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_RelatedPartyRemuneration" name="RelatedPartyRemuneration" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_RentalExpensePaidToRelatedParty" name="RentalExpensePaidToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_OverseasOfficeExpensePayableToRelatedParty" name="OverseasOfficeExpensePayableToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_InterestPaidToRelatedParty" name="InterestPaidToRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="DTCK_SalesWithRelatedParty" name="SalesWithRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
