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SEGMENT REPORTING - Total assets (Details)
Jun. 30, 2025
CNY (¥)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
CNY (¥)
Total assets:      
Total Assets ¥ 525,621,125 $ 73,373,881 ¥ 552,389,514
Automation product and software      
Total assets:      
Total Assets 125,953,243 17,582,395 132,194,082
Equipment, accessories and others      
Total assets:      
Total Assets 131,869,561 18,408,281 145,316,223
Oilfield environmental protection      
Total assets:      
Total Assets 74,481,593 10,397,229 78,023,782
Platform outsourcing services      
Total assets:      
Total Assets 57,208,575 7,986,009 61,931,606
Chemical recycling      
Total assets:      
Total Assets ¥ 136,108,153 $ 18,999,967 ¥ 134,923,821