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EQUITY (Details-Issued Capital) ¥ in Thousands, $ in Thousands | Jun. 30, 2021 USD ($) | Jun. 30, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | ---
Authorized: |  |  |
10,000,000 preferred shares, no par value |  |  |
200,000,000 common shares, no par value |  |  |
Ordinary shares issued and fully paid: |  |  |
June 30, 2021: 37,948,082, December 31, 2020: 33,988,082, common shares, no par value | $ 65,352 | ¥ 421,988 | ¥ 390,297

X
- Definition Amount of authorized share capital. + References No definition available. + Details
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Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Ordinary shares, no par value. + References No definition available. + Details
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Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of issued and paid up share capital. + References No definition available. + Details
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Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of ordinary shares. + References No definition available. + Details
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Namespace Prefix: | chnr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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