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| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://greystonelogistics.com/role/SummaryOfNetOperatingLossForFederalIncomeTaxDetails" id="SummaryOfNetOperatingLossForFederalIncomeTaxDetails"> |
| <link:definition> 00000054 - Disclosure - SUMMARY OF NET OPERATING LOSS FOR FEDERAL INCOME TAX (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://greystonelogistics.com/role/IncomeTaxesDetailsNarrative" id="IncomeTaxesDetailsNarrative"> |
| <link:definition> 00000055 - Disclosure - INCOME TAXES (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://greystonelogistics.com/role/StockholdersEquityDetailsNarrative" id="StockholdersEquityDetailsNarrative"> |
| <link:definition> 00000056 - Disclosure - STOCKHOLDERS’ 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://greystonelogistics.com/role/ScheduleOfOptionActivityDetails" id="ScheduleOfOptionActivityDetails"> |
| <link:definition> 00000057 - Disclosure - SCHEDULE OF OPTION ACTIVITY (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://greystonelogistics.com/role/StockOptionsDetailsNarrative" id="StockOptionsDetailsNarrative"> |
| <link:definition> 00000058 - Disclosure - STOCK OPTIONS (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://greystonelogistics.com/role/RetirementPlanDetailsNarrative" id="RetirementPlanDetailsNarrative"> |
| <link:definition> 00000059 - Disclosure - RETIREMENT PLAN (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://greystonelogistics.com/role/ScheduleOfSupplementalInformationOfCashFlowsDetails" id="ScheduleOfSupplementalInformationOfCashFlowsDetails"> |
| <link:definition> 00000060 - Disclosure - SCHEDULE OF SUPPLEMENTAL INFORMATION OF CASH FLOWS (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://greystonelogistics.com/role/ConcentrationsRisksAndUncertaintiesDetailsNarrative" id="ConcentrationsRisksAndUncertaintiesDetailsNarrative"> |
| <link:definition> 00000061 - Disclosure - CONCENTRATIONS, RISKS AND UNCERTAINTIES (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://greystonelogistics.com/role/VariableInterestEntitiesVieDetailsNarrative" id="VariableInterestEntitiesVieDetailsNarrative"> |
| <link:definition> 00000062 - Disclosure - VARIABLE INTEREST ENTITIES (VIE) (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://greystonelogistics.com/role/CommitmentsDetailsNarrative" id="CommitmentsDetailsNarrative"> |
| <link:definition> 00000063 - Disclosure - COMMITMENTS (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:linkbaseRef xlink:type="simple" xlink:href="glgi-20220531_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links"/> |
| | | <link:linkbaseRef xlink:type="simple" xlink:href="glgi-20220531_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links"/> |
| | | <link:linkbaseRef xlink:type="simple" xlink:href="glgi-20220531_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links"/> |
| | | <link:linkbaseRef xlink:type="simple" xlink:href="glgi-20220531_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links"/> |
| | | </appinfo> |
| | </annotation> |
| <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/> |
| <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/> |
| <import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd"/> |
| <import namespace="http://fasb.org/us-gaap/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd"/> |
| <import namespace="http://fasb.org/us-gaap-sup/2022q3" schemaLocation="https://xbrl.fasb.org/us-gaap/2022q3/us-gaap-sup-2022q3.xsd"/> |
| <import namespace="http://fasb.org/srt-sup/2022q3" schemaLocation="https://xbrl.fasb.org/srt/2022q3/srt-sup-2022q3.xsd"/> |
| <import namespace="http://fasb.org/us-types/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd"/> |
| <import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/> |
| <import namespace="http://xbrl.sec.gov/country/2022" schemaLocation="https://xbrl.sec.gov/country/2022/country-2022.xsd"/> |
| <import namespace="http://fasb.org/srt/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd"/> |
| <import namespace="http://fasb.org/srt-types/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd"/> |
| <element id="GLGI_PlantBuildingMember" name="PlantBuildingMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_PlantBuildingsandLandMember" name="PlantBuildingsandLandMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableOneMember" name="NotesPayableOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableTwoMember" name="NotesPayableTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableThreeMember" name="NotesPayableThreeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableFourMember" name="NotesPayableFourMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableFiveMember" name="NotesPayableFiveMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableSixMember" name="NotesPayableSixMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableSevenMember" name="NotesPayableSevenMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableEightMember" name="NotesPayableEightMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableNineMember" name="NotesPayableNineMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableTenMember" name="NotesPayableTenMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableElevenMember" name="NotesPayableElevenMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NotesPayableTwelveMember" name="NotesPayableTwelveMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_OtherNotePayableMember" name="OtherNotePayableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_FaceValueOfLongtermDebtMember" name="FaceValueOfLongtermDebtMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_IBCLoanAgreementMember" name="IBCLoanAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RevolvingLoanMember" name="RevolvingLoanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_GuarantyMember" name="GuarantyMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RestatedLoanAgreementMember" name="RestatedLoanAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_LoanAgreementBetweenGREAndIBCMember" name="LoanAgreementBetweenGREAndIBCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_MortgageLoanMember" name="MortgageLoanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RobertBRoseneJrMember" name="RobertBRoseneJrMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RestatedNoteMember" name="RestatedNoteMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_ThreeLeaseAgreementsWithFiveYearTermsMember" name="ThreeLeaseAgreementsWithFiveYearTermsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_SaleAndLeasebackAgreementMember" name="SaleAndLeasebackAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_YorktownProductionEquipmentMember" name="YorktownProductionEquipmentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_InitialThirtyNineMonthsMember" name="InitialThirtyNineMonthsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RemainingTwelveMonthsMember" name="RemainingTwelveMonthsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_EquipmentOneMember" name="EquipmentOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_EquipmentTwoMember" name="EquipmentTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_CanadaandMexicoMember" name="CanadaandMexicoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_PalletsMember" name="PalletsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_EndUserCustomersMember" name="EndUserCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_DistributorsMember" name="DistributorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_YorktownsGrindingAndPelletizingEquipmentMember" name="YorktownsGrindingAndPelletizingEquipmentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_WeeklyMember" name="WeeklyMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_TriendaHoldingsLlcMember" name="TriendaHoldingsLlcMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_GreenPlasticPalletsMember" name="GreenPlasticPalletsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_TaxYear2003Member" name="TaxYear2003Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_TaxYear2004Member" name="TaxYear2004Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_TaxYear2005Member" name="TaxYear2005Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_WarrenFKrugerMember" name="WarrenFKrugerMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_ThreeCustomerMember" name="ThreeCustomerMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_FourCustomerMember" name="FourCustomerMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_CashDistributionToNoncontrollingInterest" name="CashDistributionToNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_OrganizationPolicyTextBlock" name="OrganizationPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_StockOptionsPolicyTextBlock" name="StockOptionsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_ScheduleOfUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock" name="ScheduleOfUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_ScheduleOfFinancingLeaseTableTextblock" name="ScheduleOfFinancingLeaseTableTextblock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_ScheduleOfNoncancelableFinancingLeasesTableTextBlock" name="ScheduleOfNoncancelableFinancingLeasesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_ScheduleOfOperatingLeasesTableTextBlock" name="ScheduleOfOperatingLeasesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_SummaryOfNetChangeInDeferredTaxesTableTextBlock" name="SummaryOfNetChangeInDeferredTaxesTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NetIncomeLossAvailableToCommonStockholderBasic" name="NetIncomeLossAvailableToCommonStockholderBasic" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_PreferredStockDividendsDueToAssumedConversion" name="PreferredStockDividendsDueToAssumedConversion" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_NetIncomeAllocatedToCommonStockholders" name="NetIncomeAllocatedToCommonStockholders" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_MachineryAndEquipmentNet" name="MachineryAndEquipmentNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_TotalDebtIssuanceCostsNetOfAmortization" name="TotalDebtIssuanceCostsNetOfAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_CapitalLeasedAssetGross" name="CapitalLeasedAssetGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_GuaranteesCombinedAmount" name="GuaranteesCombinedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RevolvingLoanBorrowed" name="RevolvingLoanBorrowed" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_ExtendedMaturityDate" name="ExtendedMaturityDate" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_FinanceLeaseLiabilitiesRightOfUseAsset" name="FinanceLeaseLiabilitiesRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_LesseeOperatingLeaseLiabilityImputedInterest" name="LesseeOperatingLeaseLiabilityImputedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_FinanceLeaseLiabilityImputedInterest" name="FinanceLeaseLiabilityImputedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_OperatingLeaseLiabilityNet" name="OperatingLeaseLiabilityNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_LeaseInterestRate" name="LeaseInterestRate" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_LeasePaymentPerInvoiceRate" name="LeasePaymentPerInvoiceRate" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RevenueFromContractWithCustomerSalesRevenuePercentage" name="RevenueFromContractWithCustomerSalesRevenuePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_UnrecognizedDeferredRevenue" name="UnrecognizedDeferredRevenue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RentalRate" name="RentalRate" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_RentExpenses" name="RentExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_IncomeTaxReportingInExcessOfFinancial" name="IncomeTaxReportingInExcessOfFinancial" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_DeferredTaxAssetDepreciationAndAmortizationTaxReportingInExcessOfFinancial" name="DeferredTaxAssetDepreciationAndAmortizationTaxReportingInExcessOfFinancial" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_IncreaseDecreaseInNetOperatingLossCarryforward" name="IncreaseDecreaseInNetOperatingLossCarryforward" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_IncreaseDecreaseInDepreciationAndAmortizationFinancialReportingInExcessOfTax" name="IncreaseDecreaseInDepreciationAndAmortizationFinancialReportingInExcessOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_IncreaseDecreaseInDeferredTaxAssetAccruedExpenses" name="IncreaseDecreaseInDeferredTaxAssetAccruedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_IncreaseDecreaseInInventory" name="IncreaseDecreaseInInventory" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_IncreaseDecreaseInDeferredTaxLiabilities" name="IncreaseDecreaseInDeferredTaxLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_EffectiveIncomeTaxRateReconciliationPermanentDifferences" name="EffectiveIncomeTaxRateReconciliationPermanentDifferences" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_OperatingLossCarryforwardsExpirationYear" name="OperatingLossCarryforwardsExpirationYear" nillable="true" xbrli:periodType="duration" type="xbrli:gYearItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_UtilizationOfNetOperatingLossAccumulated" name="UtilizationOfNetOperatingLossAccumulated" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_PreferredStockStatedValue" name="PreferredStockStatedValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_StockOptionAnnualInstallmentPercentage" name="StockOptionAnnualInstallmentPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_EmployersContributionPercentageDescription" name="EmployersContributionPercentageDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_AcquisitionOfEquipmentInAccountsPayable" name="AcquisitionOfEquipmentInAccountsPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_EquipmentReclassifiedFromInventory" name="EquipmentReclassifiedFromInventory" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_PreferredDividendAccrual" name="PreferredDividendAccrual" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_PurchasesFromCustomers" name="PurchasesFromCustomers" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_VariableInterestEntitiesConsolidatedCarryingAmountAssets" name="VariableInterestEntitiesConsolidatedCarryingAmountAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_VariableInterestEntitiesConsolidatedCarryingAmountLiabilities" name="VariableInterestEntitiesConsolidatedCarryingAmountLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_LoanAgreementMember" name="LoanAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_FiscalYear2022Member" name="FiscalYear2022Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_FiscalYear2021Member" name="FiscalYear2021Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="GLGI_AmortizationOfLease" name="AmortizationOfLease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| </schema> |