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v3.23.2

Other Receivables (Details) - USD ($) | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Other Receivables [Abstract] |  |
Advance to third party | $ 6,920 | $ 7,179
Advance to employees | $ 46,952 | 19,579
Advance to suppliers |  | $ 2,583

X
- Definition Amount of advance to employees. + References No definition available. + Details
Name: | creg_AdvanceToEmployees
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Advance to suppliers. + References No definition available. + Details
Name: | creg_AdvanceToSuppliers
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition It represent the value of third party advance. + References No definition available. + Details
Name: | creg_AdvanceToThirdParty
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration