Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2025

Intangible Assets, Net [Abstract]

Schedule of Intangible Assets

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

Schedule of Estimated Amortization Expenses for the Intangible Assets

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

	RMB		US$
2026		62		9