XML 85 R64.htm IDEA: XBRL DOCUMENT
v3.21.1

Statutory Reserves (Details) - Schedule of maximum statutory reserve amount | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 | Dec. 31, 2020 CNY (¥)
Shanghai TCH [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Registered Capital | $ 29,800,000 |  |
Maximum Statutory Reserve Amount | $ 14,900,000 |  |
Statutory reserve, description | ($1,003,859) | ($1,003,859) |
Shanghai TCH [Member] | RMB [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Statutory reserve, description | 6,564,303 | 6,564,303 |
Xi’an TCH [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Registered Capital |  |  | 202,000,000
Maximum Statutory Reserve Amount |  |  | 101,000,000
Statutory reserve, description | ($11,236,314) | ($10,606,984) |
Xi’an TCH [Member] | RMB [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Statutory reserve, description | 73,700,706 | 69,359,820 |
Erdos TCH [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Registered Capital |  |  | 120,000,000
Maximum Statutory Reserve Amount |  |  | 60,000,000
Statutory reserve, description | ($2,914,869) | ($2,914,869) |
Erdos TCH [Member] | RMB [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Statutory reserve, description | 19,035,814 | 19,035,814 |
Xi’an Zhonghong [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Registered Capital |  |  | 30,000,000
Maximum Statutory Reserve Amount |  |  | 15,000,000
Statutory reserve, description | Did not accrue yet due to accumulated deficit | Did not accrue yet due to accumulated deficit |
Xi’an Zhonghong [Member] | RMB [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Statutory reserve, description | Did not accrue yet due to accumulated deficit | Did not accrue yet due to accumulated deficit |
Shaanxi Huahong [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Registered Capital | $ 2,500,300 |  |
Maximum Statutory Reserve Amount | $ 1,250,150 |  |
Statutory reserve, description | Did not accrue yet due to accumulated deficit | Did not accrue yet due to accumulated deficit |
Shaanxi Huahong [Member] | RMB [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Statutory reserve, description | Did not accrue yet due to accumulated deficit | Did not accrue yet due to accumulated deficit |
Zhongxun [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Registered Capital |  |  | 35,000,000
Maximum Statutory Reserve Amount |  |  | ¥ 17,500,000
Statutory reserve, description | Did not accrue yet due to accumulated deficit | Did not accrue yet due to accumulated deficit |
Zhongxun [Member] | RMB [Member] |  |  |
Statutory Reserves (Details) - Schedule of maximum statutory reserve amount [Line Items] |  |  |
Statutory reserve, description | Did not accrue yet due to accumulated deficit | Did not accrue yet due to accumulated deficit |

X
- Definition Maximum Statutory Reserve Amount + References No definition available. + Details
Name: | creg_MaximumStatutoryReserveAmount
Namespace Prefix: | creg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Description of statutory reserve. + References No definition available. + Details
Name: | creg_StatutoryReserveDescription
Namespace Prefix: | creg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 + Details
Name: | us-gaap_Capital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=creg_ShanghaiTCHMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | creg_TypeOfCurrencyAxis=currency_CNY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=creg_XianTCHMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=creg_ErdosTCHMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=creg_XianZhonghongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=creg_ShaanxiHuahongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=creg_ZhongxunMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |