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ACCOUNTS RECEIVABLE - Additional Information (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2025 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 CNY (¥)
--- | --- | --- | ---
Accounts receivable | Bank borrowings |  |  |
ACCOUNTS RECEIVABLE |  |  |
Assets pledged as collateral | ¥ 18,873 | $ 2,699 | ¥ 14,745

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