v3.26.1
INVENTORIES (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
INVENTORIES          
Raw materials ¥ 183,056   ¥ 191,578    
Work-in-process 310,477   225,726    
Finished goods 176,920   64,833    
Inventories 670,453   482,137   $ 95,874
Inventory write-down ¥ 39,850 $ 5,698 ¥ 2,222 ¥ 9,290