v3.26.1
Property, Plant and Equipment, Net
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment, Net [Abstract]  
PROPERTY, PLANT AND EQUIPMENT, NET

8. PROPERTY, PLANT AND EQUIPMENT, NET

 

Property, plant and equipment consisted of the following:

 

   As of December 31, 
   2024   2025 
   RMB   RMB   US$ 
At cost:            
Buildings   205,425    217,137    31,050 
Mechanical equipment   148,261    147,560    21,101 
Motor vehicles   3,279    3,280    469 
    356,965    367,977    52,620 
Less: Accumulated depreciation   (111,553)   (131,775)   (18,844)
    245,412    236,202    33,776 
Construction-in-progress   9,752    610    87 
    255,164    236,812    33,863 

 

For the year ended December 31, 2023, the Company disposed of fixed assets with a net carrying value of RMB807 and recorded a loss on the disposal of fixed assets of RMB187. For the year ended December 31, 2024, the Company disposed of fixed assets with a net carrying value of RMB281 and recorded a loss on the disposal of fixed assets of RMB174. For the year ended December 31, 2025, the Company had no disposals of fixed assets.

 

Depreciation expense was RMB20,239, RMB20,452 and RMB21,221 (US$3,035) for the years ended December 31, 2023, 2024 and 2025, respectively.

 

The carrying amounts of property, plant and equipment pledged by the Company to secure loans (Note 12) granted to the Company at the respective balance sheet dates were as follows:

 

   As of December 31, 
   2024   2025 
   RMB   RMB   US$ 
Buildings   152,935    156,730    22,412