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CASH AND BANK BALANCES - Cash and bank balances are denominated in currencies (Details) - CNY (¥) ¥ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Disclosure Of CASH AND BANK BALANCES [Line Items] |  |  |  |
Cash and cash equivalents | ¥ 12,344 | ¥ 8,212 | ¥ 9,016 | ¥ 2,328
Renminbi |  |  |  |
Disclosure Of CASH AND BANK BALANCES [Line Items] |  |  |  |
Cash and cash equivalents | 1,067 | 784 |  |
Hong Kong dollars |  |  |  |
Disclosure Of CASH AND BANK BALANCES [Line Items] |  |  |  |
Cash and cash equivalents | 77 | 6 |  |
US dollars |  |  |  |
Disclosure Of CASH AND BANK BALANCES [Line Items] |  |  |  |
Cash and cash equivalents | ¥ 11,200 | ¥ 7,422 |  |

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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 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_i&doctype=Standard -URIDate 2020-01-01 + Details
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