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Management of financial risk - Transfer (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Management of financial risk |  |
Transfer from Level 1 to Level 2, Liabilities | ¥ 0 | ¥ 0

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- References No definition available. + Details
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- Definition The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of liabilities held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2022-03-24 -Paragraph 93 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_c&doctype=Standard -URIDate 2022-03-24 + Details
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