Trade receivable, net (Details) ¥ in Thousands, $ in Thousands |
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
|---|---|---|---|
| Trade receivable, net | |||
| Trade receivable, net | ¥ 119,823 | $ 17,134 | ¥ 135,112 |
| Within 3 months | |||
| Trade receivable, net | |||
| Trade receivable, net | 107,501 | 75,719 | |
| Between 3 months and 6 months | |||
| Trade receivable, net | |||
| Trade receivable, net | 9,533 | 50,223 | |
| Between 6 months and 1 year | |||
| Trade receivable, net | |||
| Trade receivable, net | 2,183 | 904 | |
| More than 1 year | |||
| Trade receivable, net | |||
| Trade receivable, net | ¥ 606 | ¥ 8,266 |