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TRADE ACCOUNTS RECEIVABLE, NET - Summary of Accounts receivable (Details)
Jun. 30, 2022
CNY (¥)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
CNY (¥)
Third Parties      
Total third-parties, net ¥ 22,577,980 $ 3,370,994 ¥ 26,686,888
Third parties      
Third Parties      
Trade accounts receivable 27,206,752 4,062,089 31,669,331
Allowance for credit losses (4,628,772) (691,095) (4,982,443)
Total third-parties, net 22,577,980 3,370,994 26,686,888
Third Parties- long-term      
Trade accounts receivable 4,983,698 744,089 4,332,984
Allowance for credit losses (4,983,698) (744,089) (4,332,984)
Total third-parties, net ¥ 0 $ 0 ¥ 0