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v3.20.1

RELATED PARTY BALANCES AND TRANSACTIONS (Schedule of Commercial Transactions with Related Parties) (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2017 CNY (¥)
Disclosure of transactions between related parties [line items] |  |  |  |
CHNR's share of office rental, rates and others to Anka Consultants Limited ("Anka") | ¥ |  | ¥ 1,506 | ¥ 1,442 | ¥ 1,316
Sales of equipment to Wuhu Industrial | ¥ |  |  |  | 1,056
Purchase of raw ore from Empressa Minera Jacha Uru S.A. ("Jacha Uru") | ¥ |  |  |  | 240
Feishang Management 's share of office rental to Feishang Enterprise | ¥ |  | ¥ 166 | ¥ 166 |
USD [Member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
CHNR's share of office rental, rates and others to Anka Consultants Limited ("Anka") | $ | $ 216 |  |  |
Sales of equipment to Wuhu Industrial | $ |  |  |  |
Purchase of raw ore from Empressa Minera Jacha Uru S.A. ("Jacha Uru") | $ |  |  |  |
Feishang Management 's share of office rental to Feishang Enterprise | $ | $ 24 |  |  |

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- Definition Feishang Management's share of office rental to Feishang Enterprise. + References No definition available. + Details
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Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Offical rental, rates and others. + References No definition available. + Details
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Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of proceeds from property plant and equipment classified as investing activity. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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Period Type: | duration

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- Definition The amount of goods purchased by the entity in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 21 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_21_a&doctype=Standard -URIDate 2019-03-27 + Details
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Balance Type: | debit
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- Details
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Balance Type: |
Period Type: |