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SEGMENT REPORTING - Total assets (Details)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Jun. 30, 2024
CNY (¥)
Total assets:      
Total Assets ¥ 541,714,032 $ 74,214,517 ¥ 552,389,514
Automation product and software      
Total assets:      
Total Assets 133,099,628 18,234,574 132,194,082
Equipment, accessories and others      
Total assets:      
Total Assets 137,069,712 18,778,474 145,316,223
Oilfield environmental protection      
Total assets:      
Total Assets 76,766,728 10,516,999 78,023,782
Platform outsourcing services      
Total assets:      
Total Assets 61,196,037 8,383,823 61,931,606
Chemical recycling      
Total assets:      
Total Assets ¥ 133,581,927 $ 18,300,647 ¥ 134,923,821