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Property and Equipment and Construction in Progress (Tables) | 9 Months Ended
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Sep. 30, 2019
Receivables, Long-term Contracts or Programs [Abstract] |
Schedule of construction in progress |
|  | 2019 |  |  | 2018 |
Xuzhou Huayu |  | $ | - |  |  | $ | 23,778,899 |
Xuzhou Tian'an |  |  | 37,243,036 |  |  |  | 38,380,969 |
Less: assets impairment allowance |  |  | (12,889,518 | ) |  |  | (19,577,691 | )
Total |  | $ | 24,353,518 |  |  | $ | 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
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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