Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2025

Commitments and Contingencies [Abstract]

Schedule of Contractual Obligations

The following table sets forth the Group’s contractual obligations as of December 31, 2025:

	Payment due by period
	Total				Less than 1 year		1-3 years		3-5 years		More than 5 years
	RMB		US$
Current portion of long-term bank borrowings (i)		5,800		825		5,800		-		-		-
Short-term bank borrowing		13,172		1,874		13,172		-		-		-
Loans from third parties		2,177		310		2,177		-		-		-
Operating lease liabilities (ii)		5,399		768		2,246		2,434		719		-
Litigation and settlement(iii)		16,958		2,413		16,958		-		-		-
Total		43,506		6,190		40,353		2,434		719		-

(i) The Group’s long-term bank borrowings and short-term bank borrowings as of December 31, 2025 is discussed in Note 13 BANK BORROWINGS.

(ii) The Group’s commitment for minimum lease payments under the remaining operating leases as of December 31, 2025 is discussed in Note 15 LEASES.

(iii) The Group’s commitment for payable under the other current liabilities as of December 31, 2025 is discussed in Note 14 ACCRUED EXPENSES AND OTHER LIABILITIES.