Accounts Receivable, Net

12 Months Ended

Dec. 31, 2023

Accounts Receivable, Net [Abstract]

ACCOUNTS RECEIVABLE, NET

5. ACCOUNTS RECEIVABLE, NET

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

	As of December 31,
	2022			2023			2023
	RMB			RMB			US$
Accounts receivable		320,203			266,076			37,476
Less: allowance for credit losses		(3,546	)		(5,097	)		(718	)
Accounts receivable, net		316,657			260,979			36,758

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

	For the years ended December 31,
	2021			2022			2023		2023
	RMB			RMB			RMB		US$
Balance, beginning of year		3,813			2,215			3,546		499
Bad debt allowances from acquisition		-			(1,459	)		-		-
Additions (recovery)		(1,592	)		2,739			1,530		216
Exchange difference		(6	)		51			21		3
Balance, end of year		2,215			3,546			5,097		718

Four unrelated distributors accounted for 34.2%, 14.9%, 13.9% and 10.0% of the Company’s accounts receivable as of December 31, 2022, respectively. Three unrelated distributors accounted for 30.3%, 24.8% and 12.1% of the Company’s accounts receivable as of December 31, 2023, respectively.