LAND USE RIGHT, NET - Summary of land use rights (Details) ¥ in Thousands, $ in Thousands |
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
CNY (¥)
|
|---|---|---|---|
| LAND USE RIGHT, NET | |||
| Land use rights | ¥ 63,618 | ¥ 63,618 | |
| Less: accumulated amortization | (5,714) | (4,441) | |
| Land use right, net | ¥ 57,904 | $ 7,933 | ¥ 59,177 |