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$
Leasehold improvements		534			549			78
Computer and electronic equipment		2,457			2,485			354
Manufacturing equipment		12,460			14,111			2,008
Office equipment		288			334			47
Motor vehicles		4,367			4,446			633
Construction in process		-			105			15
		20,106			22,030			3,135
Less: loss of impairment		(1,896	)		(1,896	)		(270	)
Less: accumulated depreciation		(9,554	)		(11,597	)		(1,650	)
		8,656			8,537			1,215