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ACCOUNTS RECEIVABLE, NET - Accounts receivable (Details)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Jun. 30, 2024
CNY (¥)
Third Parties      
Total third-parties, net ¥ 40,366,074 $ 5,530,129 ¥ 38,631,762
Third Parties      
Third Parties      
Trade accounts receivable 41,967,275 5,749,493 39,825,619
Allowance for credit losses (1,601,201) (219,364) (1,193,857)
Total third-parties, net 40,366,074 5,530,129 38,631,762
Third Parties- long-term      
Trade accounts receivable 1,981,767 271,501 774,604
Allowance for credit losses (1,981,767) (271,501) (774,604)
Total third-parties, net ¥ 0 $ 0 ¥ 0