v3.26.1
INVENTORIES
12 Months Ended
Dec. 31, 2025
INVENTORIES  
INVENTORIES

6.

INVENTORIES

As of December 31, 

2024

2025

  ​ ​ ​

RMB

  ​ ​ ​

RMB

Raw materials

 

191,578

 

183,056

Work-in-process

 

225,726

 

310,477

Finished goods

 

64,833

 

176,920

Inventories

 

482,137

 

670,453

Inventory write-down was RMB2,222 and RMB39,850, respectively, for the years ended December 31, 2024 and 2025.