Intangible Assets, Net

12 Months Ended

Dec. 31, 2025

Intangible Assets, Net [Abstract]

INTANGIBLE ASSETS, NET

10. INTANGIBLE ASSETS, NET

The following table presents the Group’s intangible assets as of the respective balance sheet dates:

	Purchased software			Total			Total
	RMB			RMB			US$
Net balance as of December 31, 2024		132			132			18
Amortization expense		(70	)		(70	)		(9	)
Net balance as of December 31, 2025		62			62			9

The intangible assets are amortized using the straight-line method, which is the Group’s best estimate of how these assets will be economically consumed over their respective estimated useful lives of one to ten years.

Amortization expenses for intangible assets were RMB69 and RMB70 (US$9) for the years ended December 31, 2024 and 2025, respectively. No impairment charge was recorded for the years ended December 31, 2024 and 2025, respectively.

The annual estimated amortization expenses for the intangible assets for each of the next year are as follows:

	RMB		US$
2026		62		9