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Interest-bearing bank borrowings - Disclosure of detailed information about borrowings (Detail)
¥ in Thousands, $ in Thousands
Jun. 30, 2023
CNY (¥)
Jun. 30, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Disclosure of reconciliation of liabilities arising from financing activities [line items]      
Current interest-bearing bank borrowings ¥ 154,249 $ 21,272 ¥ 38,000
Non-current interest-bearing bank borrowings 572,841 $ 78,998 465,155
Total interest-bearing bank borrowings ¥ 727,090   ¥ 503,155