Concentrations (Tables)

12 Months Ended

Jun. 30, 2021

Net revenues [Member]

Concentrations (Tables) [Line Items]

Schedule of concentration risks

	Years ended June 30,
	2019		% of net revenues			2020		% of net revenues			2021		2021		% of net revenues
	RMB					RMB					RMB		US$
Company A		109,130		53.7	%		*		*			29,264		4,532		15.3	%
Company B		*		*			45,921		35.5	%		122,723		19,008		64.2	%
Company C		23,987		11.8	%		14,703		11.3	%		*		*		*
Company D		*		*			16,790		13.0	%		*		*		*
		133,117		65.5	%		77,414		59.8	%		151,987		23,540		79.5	%

* represented less than 10% of total net revenues for the year ended.

Accounts Receivable [Member]

Concentrations (Tables) [Line Items]

Schedule of concentration risks

	As of June 30,
	2020		%			2021		2021		%
	RMB					RMB		US$
Company A		6,690		16.8	%		16,484		2,553		29.9	%
Company B		14,543		36.5	%		31,662		4,904		57.4	%
Company D		11,042		27.7	%		*		*		*
		32,275		81.0	%		48,146		7,457		87.3	%

* represented less than 10% of account receivables as of the year end.