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Property, Plant and Equipment, Net (Details) - Schedule of Property and Equipment ¥ in Thousands, $ in Thousands	Jun. 30, 2024 CNY (¥)	Jun. 30, 2024 USD ($)	Dec. 31, 2023 CNY (¥)
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	¥ 20,549	$ 2,828	¥ 20,342
Less: loss of impairment	(1,896)	(261)	(1,896)
Less: Accumulated depreciation	(9,147)	(1,259)	(6,682)
Property, plant and equipment, net	9,506	1,308	11,764
Leasehold improvements [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	754	104	754
Computer and network equipment [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	1,939	267	1,930
Manufacturing equipment [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	14,006	1,927	12,501
Office equipment [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	291	40	187
Motor vehicles [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	3,559	490	3,914
Construction in process [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross			¥ 1,056

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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