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RESTRICTED NET ASSETS (Details) - 12 months ended Dec. 31, 2025 ¥ in Thousands, $ in Thousands | CNY (¥) | USD ($)
--- | --- | ---
RESTRICTED NET ASSETS |  |
Percentage of annual after-tax profits to foreign enterprise | 10.00% |
Percentage of registered capital for mandatory transfer of its after-tax profits by the foreign | 50.00% |
Percentage of after-tax profit to general reserve | 10.00% |
Amount of net assets restricted | ¥ 3,648,391 | $ 521,713
Domestic tax authority |  |
RESTRICTED NET ASSETS |  |
Percentage after-tax profits to domestic enterprise | 10.00% |
Percentage of registered capital for mandatory transfer of its after-tax profits by the domestic entities | 50.00% |

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- Definition Minimum threshold percentage of annual after-tax profits required to be transferred to general reserve by domestic enterprise as per the laws of PRC. + References No definition available. + Details
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- Definition Amount of accumulated undistributed earnings (deficit) not available for dividend distribution. Includes, but is not limited to, retained earnings appropriated for specific business purpose. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(3)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481142/505-10-45-3 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481142/505-10-45-4 + Details
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