Related party transactions - Summary of Name and Relationship with Related Parties (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2024 | |
| New Link | |
| Related party transactions | |
| Name of related parties | Newlink |
| Relationship with the group | Controlling Shareholder |
| Shenzhen Yuanwanghechu Technology Co Ltd | |
| Related party transactions | |
| Name of related parties | Shenzhen Yuanwanghechu Technology Co., Ltd. |
| Relationship with the group | Significantly influenced by the Controlling Shareholder |
| Huzhou Zhidianlaile New Energy Technology Co Ltd | |
| Related party transactions | |
| Name of related parties | Huzhou Zhidianlaile New Energy Technology Co., Ltd. |
| Relationship with the group | Significantly influenced by the Group |