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INCOME TAX EXPENSE/(CREDIT) - Deferred tax (assets)/liabilities recognized in the consolidated statements of financial position and the movements during the years (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of INCOME TAX EXPENSE CREDIT [Line Items] |  |  |
Balance | ¥ 0 | ¥ 0 | ¥ (209)
Charges/(credits) for the year | 0 | 0 | 209
Balance | 0 | 0 | 0
Dividend Withholding Tax [Member] |  |  |
Disclosure of INCOME TAX EXPENSE CREDIT [Line Items] |  |  |
Balance | 0 | 0 | 0
Charges/(credits) for the year | 0 | 0 | 0
Balance | 0 | 0 | 0
Inventory Provision [Member] |  |  |
Disclosure of INCOME TAX EXPENSE CREDIT [Line Items] |  |  |
Balance | 0 | 0 | 0
Charges/(credits) for the year | 0 | 0 | 0
Balance | 0 | 0 | 0
Impairment Loss [Member] |  |  |
Disclosure of INCOME TAX EXPENSE CREDIT [Line Items] |  |  |
Balance | 0 | 0 | 0
Charges/(credits) for the year | 0 | 0 | 0
Balance | 0 | 0 | 0
Bad Debt Allowance [Member] |  |  |
Disclosure of INCOME TAX EXPENSE CREDIT [Line Items] |  |  |
Balance | 0 | 0 | 0
Charges/(credits) for the year | 0 | 0 | 0
Balance | 0 | 0 | 0
Net Operating Allowance [Member] |  |  |
Disclosure of INCOME TAX EXPENSE CREDIT [Line Items] |  |  |
Balance | 0 | 0 | 0
Charges/(credits) for the year | 0 | 0 | 0
Balance | 0 | 0 | 0
Depreciation And Amortization [Member] |  |  |
Disclosure of INCOME TAX EXPENSE CREDIT [Line Items] |  |  |
Balance | 0 | 0 | (209)
Charges/(credits) for the year | 0 | 0 | 209
Balance | ¥ 0 | ¥ 0 | ¥ 0

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- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2020-01-01 + Details
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