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SEGMENT INFORMATION (Details 1) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
Segment Information |  |  |
Mainland China | $ 3,159 | ¥ 21,790 | ¥ 22,905
Hong Kong | 147 | 1,012 | 360
Total | $ 3,306 | ¥ 22,802 | ¥ 23,265

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

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

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

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