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Short-term loan - Schedule Of Short Term Debt (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Short-term Debt [Line Items]      
Short-term bank borrowings ¥ 5,000 $ 725 ¥ 150,000