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Financial Risk Management Objectives and Policies - Foreign Currency Exchange Rate Risk Sensitivity Analysis Assuming 10% Strengthening of Major Currencies against Functional Currency (Detail) - Foreign currency risk [Member]
¥ in Thousands, $ in Thousands
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Singapore dollar [Member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Effect on profit before tax ¥ 14,964 $ 2,107 ¥ 16,276
Euro [Member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Effect on profit before tax 533 75 (298)
USD [Member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Effect on profit before tax ¥ 493 $ 69 ¥ 2,375