Accounts Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2025

Accounts Receivable, Net [Abstract]

Schedule of Accounts Receivable and Allowance for Credit Losses

Accounts receivable and allowance for credit losses consist of the following:

	As of December 31,
	2024			2025			2025
	RMB			RMB			US$
Accounts receivable		231,742			176,261			25,205
Less: allowance for credit losses		(5,682	)		(132,971	)		(19,015	)
Accounts receivable, net		226,060			43,290			6,190

Schedule of Analysis of the Allowance for Credit Losses

An analysis of the allowance for credit losses is as follows:

	For the years ended December 31,
	2023		2024		2025			2025
	RMB		RMB		RMB			US$
Balance, beginning of year		3,546		5,097		5,682			813
Additions		1,530		584		127,290			18,202
Exchange difference		21		1		(1	)		-
Balance, end of year		5,097		5,682		132,971			19,015