Right of Use Assets (Tables)

12 Months Ended

Dec. 31, 2024

Right of Use Assets [Abstract]

Schedule of Operating Leases

Supplemental balance sheet information related to operating leases was as follows:

	As of December 31,
	2023		2024		2024
	RMB		RMB		US$
Right-of-use assets, net		12,157		4,845		664
Operating lease liabilities - current		7,974		4,098		561
Operating lease liabilities - non-current		4,798		700		96
Total operating lease liabilities		12,772		4,798		657

The weighted average remaining lease terms and discount rates for all of operating leases were as follows as of December 31, 2024:

Remaining lease term and discount rate:
Weighted average remaining lease term (years)	1.25 years
Weighted average discount rate	4.75	%

Schedule of Maturities of Lease Liabilities

The following is a schedule of maturities of lease liabilities as of December 31, 2024:

	RMB			US$
Twelve months ending December 31,
2025		4,210			577
2026		706			96
Total future minimum lease payments		4,916			673
Less: imputed interest		(118	)		(16	)
Present value of lease liabilities		4,798			657