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REVENUE | 6 Months Ended
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Jun. 30, 2021
Revenue [abstract] |
REVENUE | 3. REVENUE Revenue represents the following:
Schedule of Revenue from Contracts with Customers |  |  |  |  |  |  |  |  |  |  |  |
|  | Six months ended June 30, |
|  | 2020 |  |  | 2021 |  |  | 2021 |
|  | CNY |  |  | CNY |  |  | US$ |
|  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |
Revenue from contracts with a customer |  |  | 6,867 |  |  |  | — |  |  |  | — |
Revenue from contracts with a customer (a) Disaggregated revenue information
Schedule of Disaggregated Revenue Information |  |  |  |  |  |  |  |  |  |  |  |
|  | Six months ended June 30, |
|  | 2020 |  |  | 2021 |  |  | 2021 |
|  | CNY |  |  | CNY |  |  | US$ |
|  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |
Type of goods |  |  |  |  |  |  |  |  |  |  |  |
Sale of copper ores |  |  | 6,867 |  |  |  | — |  |  |  | — |
Geographic market |  |  |  |  |  |  |  |  |  |  |  |
Mainland China |  |  | 6,867 |  |  |  | — |  |  |  | — |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |
Goods transferred at a point in time |  |  | 6,867 |  |  |  | — |  |  |  | — |
All revenue was generated from the exploration and mining segment (Note 4). No revenue was recognized in the current reporting period that was included in the contract liabilities at the beginning of the reporting period and recognized from performance obligations satisfied in previous periods. (b) Performance obligations Information about the Group's performance obligations is summarized below: Trading of copper ores The performance obligation is satisfied upon delivery of the copper ore and payment is generally due within 3 months from delivery.

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- Definition The entire disclosure for revenue. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_10_e&doctype=Standard -URIDate 2021-03-24 + Details
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