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SEGMENT REPORTING - Company's revenue (Details)
 12 Months Ended
Jun. 30, 2023
CNY (¥)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
CNY (¥)
Jun. 30, 2021
CNY (¥)
Revenue ¥ 67,114,378 $ 9,255,496 ¥ 83,777,571 ¥ 47,938,575
Cost of revenue and related tax 48,247,395 6,653,620 64,352,834 40,723,547
Gross profit 18,866,983 2,601,876 19,424,737 7,215,028
Depreciation and amortization 3,683,586 507,990 3,339,868 3,150,789
Total capital expenditures 940,673   999,652 522,416
Goods transferred at a point in time        
Revenue 58,475,918   74,222,033 46,549,014
Services rendered over time        
Revenue 8,638,460   9,555,538 1,389,561
Automation product and software        
Revenue 26,628,216 3,672,199 31,944,055 18,535,166
Cost of revenue and related tax 23,610,281   29,824,014 19,942,541
Gross profit 3,017,935   2,120,041 (1,407,375)
Depreciation and amortization 857,332   421,619 277,496
Total capital expenditures 803,311   14,823 26,761
Automation product and software | Goods transferred at a point in time        
Revenue 18,640,699   31,944,055 18,535,166
Automation product and software | Services rendered over time        
Revenue 7,987,517   0 0
Equipment, accessories and others        
Revenue 16,248,197 2,240,729 17,159,381 15,791,623
Cost of revenue and related tax 8,945,796   10,479,615 11,264,971
Gross profit 7,302,401   6,679,766 4,526,652
Depreciation and amortization 689,552   814,960 851,612
Total capital expenditures 46,681   21,456 136,224
Equipment, accessories and others | Goods transferred at a point in time        
Revenue 16,248,197   17,159,381 15,791,623
Equipment, accessories and others | Services rendered over time        
Revenue 0   0 0
Oilfield environmental protection        
Revenue 19,116,560 2,636,294 25,335,363 11,043,979
Cost of revenue and related tax 13,955,673   20,222,446 8,045,567
Gross profit 5,160,887   5,112,917 2,998,412
Depreciation and amortization 2,077,165   2,045,601 2,000,952
Total capital expenditures 75,728   768,795 315,944
Oilfield environmental protection | Goods transferred at a point in time        
Revenue 19,116,560   15,779,825 9,654,418
Oilfield environmental protection | Services rendered over time        
Revenue 0   9,555,538 1,389,561
Platform Outsourcing Services        
Revenue 5,121,405 $ 706,274 9,338,772 2,567,807
Cost of revenue and related tax 1,735,645   3,826,759 1,470,468
Gross profit 3,385,760   5,512,013 1,097,339
Depreciation and amortization 59,537   57,688 20,729
Total capital expenditures 14,953   194,578 43,487
Platform Outsourcing Services | Goods transferred at a point in time        
Revenue 4,470,462   9,338,772 2,567,807
Platform Outsourcing Services | Services rendered over time        
Revenue ¥ 650,943   ¥ 0 ¥ 0