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CONCENTRATION AND RISKS (Tables) | 12 Months Ended
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Dec. 31, 2025
CONCENTRATION AND RISKS |
Schedule of concentration risks | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, |
​ | ​ ​ ​ | 2024 | ​ ​ ​ | 2025 |
Accounts receivable, net |  | ​ |  | ​ | ​
Customer A |  | * | ​ | 14 | %
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Years Ended December 31, |
​ | ​ ​ ​ | 2023 | ​ ​ ​ | 2024 | ​ ​ ​ | 2025 |
Supplier A |  | 13 | % | 11 | % | * | ​
Supplier B |  | * | ​ | 14 | % | 13 | %
* | The percentage is less than 10%

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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-20 + Details
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