SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, equipment and software (Details) |
Dec. 31, 2025 |
|---|---|
| PROPERTY, EQUIPMENT AND SOFTWARE, NET | |
| Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration] | us-gaap:UsefulLifeTermOfLeaseMember |
| Machinery and laboratory equipment | |
| PROPERTY, EQUIPMENT AND SOFTWARE, NET | |
| Estimated Useful Life | 5 years |
| Vehicles | |
| PROPERTY, EQUIPMENT AND SOFTWARE, NET | |
| Estimated Useful Life | 4 years |
| Furniture and tools | Minimum | |
| PROPERTY, EQUIPMENT AND SOFTWARE, NET | |
| Estimated Useful Life | 3 years |
| Furniture and tools | Maximum | |
| PROPERTY, EQUIPMENT AND SOFTWARE, NET | |
| Estimated Useful Life | 5 years |
| Electronic equipment | |
| PROPERTY, EQUIPMENT AND SOFTWARE, NET | |
| Estimated Useful Life | 3 years |
| Software | Minimum | |
| PROPERTY, EQUIPMENT AND SOFTWARE, NET | |
| Estimated Useful Life | 3 years |
| Software | Maximum | |
| PROPERTY, EQUIPMENT AND SOFTWARE, NET | |
| Estimated Useful Life | 5 years |