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v3.19.1

Construction in Progress and Property And Equipment (Tables) | 3 Months Ended
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Mar. 31, 2019
Receivables, Long-term Contracts or Programs [Abstract] |
Schedule of construction in progress |
|  | 2019 |  |  | 2018 |
Xuzhou Huayu |  | $ | - |  |  | $ | 23,778,899 |
Xuzhou Tian'an |  |  | 39,120,260 |  |  |  | 38,380,969 |
Less: assets impairment allowance |  |  | (13,539,210 | ) |  |  | (19,577,691 | )
Total |  | $ | 25,581,050 |  |  | $ | 42,582,177 |

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- Definition Tabular represents the amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References No definition available. + Details
Name: | creg_ScheduleOfConstructionInProgressTableTextBlock
Namespace Prefix: | creg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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