Property, Plant and Equipment, Net

12 Months Ended

Dec. 31, 2025

Property, Plant and Equipment, Net [Abstract]

PROPERTY, PLANT AND EQUIPMENT, NET

9. PROPERTY, PLANT AND EQUIPMENT, NET

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

For the years ended December 31, 2024 and 2025, the Group recorded depreciation expenses of RMB2,872 and RMB2,043 (US$291) respectively. There is RMB1,896 of impairment of property, plant and equipment recognized as of the years ended December 31, 2024 and 2025, respectively. The loss of the impairment was due to the permanent withdrawn of a production line made in 2023.