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SHARE CAPITAL- Principal assumptions used in the valuation (Details) |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
May 27, 2020 USD ($) $ / shares | May 22, 2020 ¥ / shares | Dec. 18, 2019 CNY (¥) $ / shares | Dec. 16, 2019 $ / shares | Dec. 04, 2018 USD ($) $ / shares | Dec. 31, 2020 CNY (¥) $ / shares | Dec. 31, 2019 CNY (¥)
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |
Grant date | May 27 and May 25, 2020 |  | December 18, 2019 |  | December 4, 2018 |  |
Share price at date of grant |  |  | 0.68 |  | 1.18 | 404,415 | 420,000
Exercise price | (per share) |  | ¥ 0.85 |  | $ 0.9375 |  |  |
Volatility | 100.00% |  | 141.00% |  | 168.00% |  |
Warrant life | 5 years |  | 5 years | 5 years | 5 years |  |
Risk-free interest rate | 0.34% |  | 1.74% |  | 2.63% |  |
Fair value at grant date | $ 0.416 |  | ¥ 0.598 |  | $ 1.45 |  |
Minimum |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |
Share price at date of grant | 0.59 |  |  |  |  |  |
Exercise price | $ 0.79 |  | ¥ 0.82 |  | $ 1.27 |  |
Maximum |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |
Share price at date of grant | 0.64 |  |  |  |  |  |
Exercise price | $ 0.85 |  | ¥ 0.9375 |  | $ 1.5875 | $ 1.5875 |

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- Definition The date on which share-based payment arrangements are granted. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph IG23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_IG23&doctype=Implementation%20Guidance -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2020-01-01 + Details
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