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Accounts Receivable (Details) - Schedule of Accounts Receivable ¥ in Thousands, $ in Thousands | Jun. 30, 2024 CNY (¥) | Jun. 30, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
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Schedule of Accounts Receivable [Abstract] |  |  |
Accounts receivable | ¥ 18,590 | $ 2,558 | ¥ 15,785
Less: allowance for expected credit losses | (37) | (5) | (37)
Accounts receivable, net | ¥ 18,553 | $ 2,553 | ¥ 15,748

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