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v3.23.1

OTHER RECEIVABLES (Details 1) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
Other Receivables |  |  |
Beginning of the year | $ 36 | ¥ 239 |
Provision for expected credit loss, net | 397 | 2,745 | 239
End of the year | $ 433 | ¥ 2,984 | ¥ 239

X
- References No definition available. + Details
Name: | chnr_BeginningOfYearAtOtherReceivables
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | chnr_EndOfYearAtOtherReceivables
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- References No definition available. + Details
Name: | chnr_ProvisionForExpectedCreditLossNetOtherReceivables
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration