Accounts Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2020

Credit Loss, Additional Improvements [Abstract]

Schedule of accounts receivable and allowance for doubtful accounts

	As of December 31,
	2019			2020			2020
	RMB			RMB			USD
Accounts receivable		130,376			232,027			35,559
Less: allowance for doubtful accounts		(10,266	)		(3,813	)		(584	)
Accounts receivable, net		120,110			228,214			34,975

Schedule of analysis of the allowance for doubtful accounts

	For the years ended December 31,
	2018		2019		2020			2020
	RMB		RMB		RMB			USD
Balance, beginning of year		2,606		9,432		10,266			1,573
Bad debt allowances from acquisition		-		-		1,800			276
Additions		6,826		834		-			-
Recovery		-		-		(8,253	)		(1,265	)
Balance, end of year		9,432		10,266		3,813			584