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Investment Property - Summary of Investment Property (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | ¥ 4,103 |  |  |
Charge for the year | 361 | $ 50 | ¥ 355 | ¥ 348
Ending balance | 4,173 | 582 | 4,103 |
Consolidated statements of profit or loss: |  |  |  |
Rental income from investment property - Minimum lease payments | 156 | 22 | 154 |
Direct operating expenses (including repairs and maintenance) arising from the rental generating property | (668) | (93) | (720) |
Fair value [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 11,453 |  |  |
Ending balance | 13,294 | 1,853 | 11,453 |
Cost [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | 33,647 | 4,690 | 32,389 |
Translation difference | (73) | (10) | 1,258 |
Ending balance | 33,574 | 4,680 | 33,647 | 32,389
Accumulated depreciation, amortization and impairment [member] |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |
Beginning balance | (29,544) | (4,118) | (27,633) |
Charge for the year | 361 | 50 | 355 |
Translation difference | (504) | (70) | 1,556 |
Ending balance | ¥ (29,401) | $ (4,098) | ¥ (29,544) | ¥ (27,633)

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- Definition The amount of depreciation recognised on investment property. [Refer: Depreciation and amortisation expense; Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 76 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_76&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 79 -Subparagraph d -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_79_d_iv&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of direct operating expenses (including repairs and maintenance) arising from investment property. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 75 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_75_f&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in investment property resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 76 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_76_e&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 79 -Subparagraph d -Clause vi -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_79_d_vi&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of property (land or a building - or part of a building - or both) held (by the owner or by the lessee as a right-of-use asset) to earn rentals or for capital appreciation or both, rather than for: (a) use in the production or supply of goods or services or for administrative purposes; or (b) sale in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 76 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_76&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 79 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_79_d&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_b&doctype=Standard -URIDate 2024-03-27 + Details
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