Property, Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2025

Property, Plant and Equipment, Net [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consisted of the following:

		As of December 31,
		2024				2025
		RMB				RMB				US$
At cost:
Buildings			205,425				217,137				31,050
Mechanical equipment			148,261				147,560				21,101
Motor vehicles			3,279				3,280				469
			356,965				367,977				52,620
Less: Accumulated depreciation			(111,553	)			(131,775	)			(18,844	)
			245,412				236,202				33,776
Construction-in-progress			9,752				610				87
			255,164				236,812				33,863

Schedule of Carrying Amounts of Property and Equipment Pledged

The carrying amounts of property, plant and equipment pledged by the Company to secure loans (Note 12) granted to the Company at the respective balance sheet dates were as follows:

		As of December 31,
		2024				2025
		RMB				RMB				US$
Buildings			152,935				156,730				22,412