CERTAIN RISKS AND CONCENTRATION - Major Suppliers (Details) - Total Silicon Purchases - Supplier Concentration Risk - item |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Largest Group Supplier | |||
| CERTAIN RISKS AND CONCENTRATION | |||
| Concentration risk percentage (in %) | 28.80% | 25.40% | 30.60% |
| Two of the group suppliers | |||
| CERTAIN RISKS AND CONCENTRATION | |||
| Threshold concentration risk percentage (in %) | 10.00% | ||
| Three of the group suppliers | |||
| CERTAIN RISKS AND CONCENTRATION | |||
| Number of major suppliers | 3 | ||
| Four of the group suppliers | |||
| CERTAIN RISKS AND CONCENTRATION | |||
| Number of major suppliers | 4 | 4 | |
| Threshold concentration risk percentage (in %) | 10.00% | 10.00% | |
| Five largest group suppliers | |||
| CERTAIN RISKS AND CONCENTRATION | |||
| Concentration risk percentage (in %) | 85.20% | 81.80% | 83.10% |
| Number of major suppliers | 5 | 5 | 5 |
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- Definition Concentration Risk Threshold Percentage. No definition available.
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- Definition Number of suppliers accounted for more than 10% of total purchases. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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