v3.25.2
ACCRUED EXPENSES AND OTHER LIABILITIES - Schedule of product warranty activities (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
ACCRUED EXPENSES AND OTHER LIABILITIES    
Beginning balance ¥ 5,007 ¥ 6,559
Provided during the year 88,889 84,732
Utilized during the year (46,914) (56,078)
Disposed during the year (6,414) (30,206)
Ending balance ¥ 40,568 ¥ 5,007