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DISCONTINUED OPERATIONS (Schedule of cash flows of cash and cash equivalents Wuhu Feishang) (Details) - Discontinued operation of Wuhu Feishang [Member] ¥ in Thousands | 2 Months Ended
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Mar. 03, 2017 CNY (¥)
Statement Line Items [Line Items] |
Cash consideration received | ¥ 1,000
Less: Cash and cash equivalents disposed of | (18)
Net cash inflows from the disposal of Double Grow | ¥ 982

X
- Definition Refers to amount of cash and cash equivalents disposed. + References No definition available. + Details
Name: | chnr_CashAndCashEquivalentsDisposed
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | chnr_IfrsStatementLineItems
Namespace Prefix: | chnr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to amount of proceeds from discontinued operations. + References No definition available. + Details
Name: | chnr_ProcessFromDiscontiunedOperation
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Refers to amount of repayment from discontinued operation. + References No definition available. + Details
Name: | chnr_RepaymentFromDiscontinuedOperation
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=chnr_DiscontinuedOperationOfWuhuFeishangMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |