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v3.23.1

Property, Plant and Equipment, Net | 12 Months Ended
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Dec. 31, 2022
Property, Plant and Equipment, Net |
Property, Plant and Equipment, Net | 7. Property, Plant and Equipment, Net Property, plant and equipment and related accumulated depreciation were as follows: ​
​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2021 |  | 2022
Mold and tooling |  | 2,354,411 | ​ | 3,901,436
Leasehold improvements | ​ | 1,876,294 | ​ | 3,408,731
Charging & battery swap equipment |  | 2,279,893 | ​ | 3,393,603
Production facilities | ​ | 831,776 | ​ | 3,252,362
Construction in process | ​ | 1,304,548 | ​ | 3,114,345
Computer and electronic equipment |  | 575,364 | ​ | 1,250,861
Purchased software |  | 493,374 | ​ | 985,141
R&D equipment |  | 552,956 | ​ | 939,586
Buildings and constructions |  | 875,562 | ​ | 890,576
Corporate vehicles | ​ | 180,157 | ​ | 473,602
Others |  | 274,906 | ​ | 991,597
Subtotal |  | 11,599,241 | ​ | 22,601,840
Less: Accumulated depreciation |  | (4,131,352) | ​ | (6,901,232)
Less: Accumulated impairment | ​ | (68,373) | ​ | (41,942)
Total property, plant and equipment, net |  | 7,399,516 | ​ | 15,658,666
​ The Group recorded depreciation expenses of RMB1,041,011, RMB1,702,559 and RMB2,874,912 for the years ended December 31, 2020, 2021 and 2022, respectively. The Group reviews the useful lives and the estimated total units of production of its property, plant and equipment on regular basis. For the year ended December 31, 2022, in response to the planned products upgrade of certain existing vehicle models, the Group carried out an assessment on the useful lives of the production facilities based on the revised plan of future production volume of these vehicle models. This assessment resulted in the accelerated useful lives of certain production facilities which resulted in an increase in depreciation expense of RMB44,208, which is recorded in cost of sales for the year ended December 31, 2022.

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