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| | <loc xlink:type="locator" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableNet" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivable" order="2" weight="-1"/> |
| | </calculationLink> |
| <calculationLink xlink:type="extended" xlink:role="http://www.cregcn.com/role/ScheduleofconstructioninprogressTable"> |
| | <loc xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/> |
| | <loc xlink:type="locator" xlink:label="us-gaap_ConstructionInProgressGross" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConstructionInProgressGross"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_ConstructionInProgressGross" order="1" weight="1"/> |
| | <loc xlink:type="locator" xlink:label="creg_LessAssetsImpairmentAllowance" xlink:href="creg-20200630.xsd#creg_LessAssetsImpairmentAllowance"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="creg_LessAssetsImpairmentAllowance" order="2" weight="-1"/> |
| | </calculationLink> |
| <calculationLink xlink:type="extended" xlink:role="http://www.cregcn.com/role/ScheduleoftaxespayableTable"> |
| | <loc xlink:type="locator" xlink:label="us-gaap_TaxesPayableCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxesPayableCurrent"/> |
| | <loc xlink:type="locator" xlink:label="us-gaap_AccruedIncomeTaxesCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_TaxesPayableCurrent" xlink:to="us-gaap_AccruedIncomeTaxesCurrent" order="1" weight="1"/> |
| | <loc xlink:type="locator" xlink:label="us-gaap_SalesAndExciseTaxPayableCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SalesAndExciseTaxPayableCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_TaxesPayableCurrent" xlink:to="us-gaap_SalesAndExciseTaxPayableCurrent" order="2" weight="1"/> |
| | <loc xlink:type="locator" xlink:label="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_TaxesPayableCurrent" xlink:to="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" order="3" weight="1"/> |
| | </calculationLink> |
| </linkbase> |