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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 (¥)
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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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of allowance for credit loss on accounts receivable, classified as current.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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