TRADE RECEIVABLES, PREPAYMENTS AND OTHER RECEIVABLES - Summary of trade receivables pre payments (Details) - CNY (¥) ¥ in Thousands	Jun. 30, 2026	Dec. 31, 2025
TRADE RECEIVABLES, PREPAYMENTS AND OTHER RECEIVABLES
Trade receivables	¥ 521,823	¥ 531,930
Loss allowance	(66,058)	(69,795)
Trade receivables, net of loss allowance	455,765	462,135
Receivables from payments made on behalf of customers, net of allowance	9,855	19,593
Other receivables	9,855	19,593
Trade and other receivables at amortized cost	465,620	481,728
Prepayments to suppliers	102,822	109,584
Refundable value-added tax	156,671	106,946
Others	34,138	33,863
Prepayments and others	293,631	250,393
Prepayments and other receivables	¥ 303,486	¥ 269,986

The amount receivable by the entity that it does not separately disclose in the same statement or note.

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The amount of prepayments and accrued income, other than contract assets. [Refer: Prepayments; Accrued income other than contract assets]

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- Definition

The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer that is unconditional. A right to consideration is unconditional if only the passage of time is required before payment of that consideration is due.

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The amount of trade receivables and other receivables. [Refer: Trade receivables; Other receivables]

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The amount due from customers for goods and services sold.

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The amount of receivables related to a value added tax.

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Disclosure of trade receivables pre payments and other receivables.

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No definition available.

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Loss allowance of trade receivables.

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Amount of others prepayments.

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Prepayments and other receivables.

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Prepayments to suppliers.

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Amount of trade receivables gross.

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