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FINANCIAL INSTRUMENTS (Details-CarryingAmounts) ¥ in Thousands, $ in Thousands | Jun. 30, 2021 USD ($) | Jun. 30, 2021 CNY (¥) | Apr. 28, 2021 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Jun. 30, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
--- | --- | --- | --- | --- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |
- Normal | [1] | $ 5 | ¥ 32 |  |  | ¥ 32 |  |
- Doubtful | [1] |  |  |  |  |  |  |
- Not yet past due |  | 5,039 | 32,538 | ¥ 263 | $ 379 | 2,450 | ¥ 3,013 | ¥ 3,444
Total |  | 5,044 | 32,570 |  |  | 2,482 |  |
E C Ls Stage 1 [Member] |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |
- Normal | [1] | 5 | 32 |  |  | 32 |  |
- Doubtful | [1] |  |  |  |  |  |  |
- Not yet past due |  | 5,039 | 32,538 |  |  | 2,450 |  |
Total |  | 5,044 | 32,570 |  |  | 2,482 |  |
E C Ls Stage 2 [Member] |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |
- Normal | [1] |  |  |  |  |  |  |
- Doubtful | [1] |  |  |  |  |  |  |
- Not yet past due |  |  |  |  |  |  |  |
Total |  |  |  |  |  |  |  |
E C Ls Stage 3 [Member] |  |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |  |
- Normal | [1] |  |  |  |  |  |  |
- Doubtful | [1] |  |  |  |  |  |  |
- Not yet past due |  |  |  |  |  |  |  |
Total |  |  |  |  |  |  |  |
[1] | The credit quality of the financial assets included in other receivables is considered to be "normal" when they are not past due and there is no information indicating that the financial assets had a significant increase in credit risk since initial recognition. Otherwise, the credit quality of the financial assets is considered to be "doubtful."

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- Definition Amount of financial assets that are doubtful. + References No definition available. + Details
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- Definition Amount of financial assets that are normal. + References No definition available. + Details
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Period Type: | instant

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of current financial assets. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard -URIDate 2021-03-24 + Details
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