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Loans and borrowings - Summary of Current and Non-Current Borrowings (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
--- | --- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |  |
Current borrowings | ¥ 1,871,800 | $ 260,922 | ¥ 1,850,294
Non-current borrowings | 638,000 | 88,935 | 690,000
Current borrowings [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Current borrowings | 1,871,800 | 260,922 | 1,850,294
Current borrowings [member] | Unsecured bank loans [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Current borrowings | 1,851,800 | 258,134 | 1,830,294
Current borrowings [member] | Secured bank loans |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Current borrowings | 20,000 | 2,788 | 20,000
Non-current borrowings [member] | Unsecured bank loans [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Non-current borrowings | ¥ 638,000 | $ 88,935 | ¥ 690,000

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- Definition The non-current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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