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RESTRICTED NET ASSETS (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 CNY (¥)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2025 USD ($)
ACCOUNTS RECEIVABLE, NET
Percentage of appropriation of statutory reserve from retained earnings after tax profits	10.00%
Percentage of appropriations of statutory reserve of registered capital	50.00%
Appropriation of statutory reserves	¥ 0	¥ 0	¥ 0
Accumulated reserves	7,300,000	7,300,000		$ 1.1
Restricted registered capital	140,300,000	144,500,000		20.1
Amount of restricted net assets	¥ 133,000,000	¥ 137,200,000		$ 19.0

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- Definition

Appropriation of Statutory Reserves

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- Definition

Required Percentage of After-Tax Profits to be Appropriated as Statutory Reserve

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- Definition

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

+ 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)(3)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

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Disclosure of the amount of equity that is restricted to use by regulation or agreement.

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- Definition

The amount of retained earnings as of the balance sheet date that cannot be distributed to stockholders pursuant to statutory rules and regulations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

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