Right of Use Assets (Tables)

6 Months Ended

Jun. 30, 2025

Right of Use Assets [Abstract]

Schedule of Information Related to Operating Lease Activities

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

	As of December 31,		As of June 30,
	2024		2025		2025
	RMB		RMB		US$
Right-of-use assets, net		4,845		17,795		2,484
Operating lease liabilities - current		4,098		4,612		644
Operating lease liabilities - non-current		700		11,956		1,669
Total operating lease liabilities		4,798		16,568		2,313

The weighted average remaining lease terms and discount rates for all of operating leases were as follows as of December 31, 2024 and June 30, 2025:  

	As of December 31,		As of December 31,
	2024		2025
Remaining lease term and discount rate:
Weighted average remaining lease term (years)		1.25		4.0
Weighted average discount rate (%)		4.75		4.58

Information related to operating lease activities for the six months ended June 30, 2024 and 2025 is set forth below:

	For the six months ended June 30,
	2024		2025		2025
	RMB		RMB		US$
Operating lease right-of-use assets obtained in exchange for lease liabilities		-		16,442		2,295
Operating lease expense
Amortization of right-of-use assets		3,613		3,492		487
Interest of lease liabilities		239		280		39
Total operating lease expense		3,852		3,772		526

Schedule of Maturities of Lease Liabilities

The following is a schedule of maturities of lease liabilities as of June 30, 2025:

	RMB			US$
Twelve months ending June 30,
2026		5,115			714
2027		3,541			494
2028		3,614			504
2029		3,686			515
2030		1,861			260
Total future minimum lease payments		17,817			2,487
Less: imputed interest		(1,249	)		(174	)
Present value of lease liabilities		16,568			2,313