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Risks and Concentration (Tables) | 12 Months Ended
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Dec. 31, 2022
Accounts receivable - third parties, net |
Risks and Concentration |
Schedule of concentration of customers and suppliers | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, |
​ |  | 2021 | ​ | 2022 |
Customer A, a third party | ​ | 51.1 | % | 48.9 | %
Customer B, a third party | ​ | 11.0 | % | 30.4 | %
Customer C, a third party | ​ | 10.6 | % | Less than 10.0 | %
​
Total revenues |
Risks and Concentration |
Schedule of concentration of customers and suppliers | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31, |
​ |  | 2020 | ​ | 2021 |  | 2022 |
Geely Group and its subsidiaries |  | 74.1 | % | 70.4 | % | 67.0 | %
Customer A, a third party |  | Less than 10.0 | % | Less than 10.0 | % | 12.6 | %
Customer B, a third party |  | Less than 10.0 | % | Less than 10.0 | % | 12.5 | %
​
Accounts payable |
Risks and Concentration |
Schedule of concentration of customers and suppliers | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | As of December 31, | ​
​ | ​ | 2021 | ​ | 2022 | ​
Supplier A, a third party | ​ | 15.5 | % | Less than 10.0 | %
Supplier B, a third party | ​ | 13.8 | % | 25.3 | %
Supplier C, a related party | ​ | 10.3 | % | Less than 10.0 | %
Supplier D, a third party | ​ | Less than 10.0 | % | 14.6 | %
​
Total purchase |
Risks and Concentration |
Schedule of concentration of customers and suppliers | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31, | ​
​ | ​ | 2020 | ​ | 2021 | ​ | 2022 | ​
Supplier A, a third party | ​ | 35.2 | % | 23.6 | % | 11.8 | %
Supplier B, a third party | ​ | Less than 10.0 | % | Less than 10.0 | % | 21.0 | %
Supplier C, a related party | ​ | Less than 10.0 | % | Less than 10.0 | % | 10.6 | %

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