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Inventory | 12 Months Ended
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Dec. 31, 2025
Inventory |
Inventory | 5. Inventory ​
​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ | ​ ​ ​ | 2024 | ​ ​ ​ | 2025
Raw materials |  | 2,273,991 | ​ | 3,487,344
Work in process |  | 141,195 | ​ | 241,910
Finished Goods |  | 4,291,167 | ​ | 4,554,713
Merchandise |  | 626,772 | ​ | 910,903
Less: inventory provision | ​ | (245,902) | ​ | (664,016)
Total |  | 7,087,223 | ​ | 8,530,854
​ Raw materials primarily consist of materials for volume production. Finished goods include vehicles ready for transit at production factory, vehicles in transit to fulfill customer orders, new vehicles available for immediate sale at the Group’s sales and service center locations and charging piles. Merchandise includes parts, accessories and lifestyle merchandises. Inventory write-downs recorded in cost of sales for the years ended December 31, 2023, 2024 and 2025 were RMB65,362, RMB123,345 and RMB509,322, respectively.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/330/tableOfContent + Details
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