Accounts Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2021

Credit Loss, Additional Improvements [Abstract]

Schedule of accounts receivable and allowance for doubtful accounts

	As of December 31,
	2020			2021			2021
	RMB			RMB			USD
Accounts receivable		232,027			208,522			32,722
Less: allowance for doubtful accounts		(3,813	)		(2,215	)		(348	)
Accounts receivable, net		228,214			206,307			32,374

Schedule of analysis of the allowance for doubtful accounts

	For the years ended December 31,
	2019		2020			2021			2021
	RMB		RMB			RMB			USD
Balance, beginning of year		9,432		10,266			3,813			599
Bad debt allowances from acquisition		-		1,800			-			-
Additions (recovery)		834		(8,253	)		(1,592	)		(250	)
Exchange difference		-		-			(6	)		(1	)
Balance, end of year		10,266		3,813			2,215			348