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SEGMENT REPORTING - Company's revenue (Details)
 12 Months Ended
Jun. 30, 2022
CNY (¥)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
CNY (¥)
Jun. 30, 2020
CNY (¥)
Revenues ¥ 83,777,571 $ 12,508,368 ¥ 47,938,575 ¥ 65,760,651
Cost of revenue and related tax 64,352,834 9,608,167 40,723,547 46,154,255
Gross profit 19,424,737 2,900,201 7,215,028 19,606,396
Depreciation and amortization 3,339,868 498,657 3,150,789 1,609,700
Total capital expenditures 999,652   522,416 3,868,886
Goods transferred at a point in time        
Revenues 74,222,033   46,549,014 25,093,924
Services rendered over time        
Revenues 9,555,538   1,389,561 40,666,727
Automation product and software        
Revenues 31,944,055 4,769,390 18,535,166 51,413,830
Cost of revenue and related tax 29,824,014   19,942,541 38,257,914
Gross profit 2,120,041   (1,407,375) 13,155,916
Depreciation and amortization 421,619   277,496 98,756
Total capital expenditures 14,823   26,761 85,975
Automation product and software | Goods transferred at a point in time        
Revenues 31,944,055   18,535,166 10,871,301
Automation product and software | Services rendered over time        
Revenues     0 40,542,529
Equipment and accessories        
Revenues 17,159,381 2,561,973 15,791,623 14,222,623
Cost of revenue and related tax 10,479,615   11,264,971 7,683,662
Gross profit 6,679,766   4,526,652 6,538,961
Depreciation and amortization 814,960   851,612 683,522
Total capital expenditures 21,456   136,224 0
Equipment and accessories | Goods transferred at a point in time        
Revenues 17,159,381   15,791,623 14,222,623
Equipment and accessories | Services rendered over time        
Revenues     0 0
Oilfield environmental protection        
Revenues 25,335,363 3,782,684 11,043,979 124,198
Cost of revenue and related tax 20,222,446   8,045,567 212,679
Gross profit 5,112,917   2,998,412 (88,481)
Depreciation and amortization 2,045,601   2,000,952 827,422
Total capital expenditures 768,795   315,944 3,782,911
Oilfield environmental protection | Goods transferred at a point in time        
Revenues 15,779,825   9,654,418 0
Oilfield environmental protection | Services rendered over time        
Revenues 9,555,538   1,389,561 124,198
Platform outsourcing services        
Revenues 9,338,772 $ 1,394,321 2,567,807 0
Cost of revenue and related tax 3,826,759   1,470,468 0
Gross profit 5,512,013   1,097,339 0
Depreciation and amortization 57,688   20,729 0
Total capital expenditures 194,578   43,487 0
Platform outsourcing services | Goods transferred at a point in time        
Revenues 9,338,772   2,567,807 0
Platform outsourcing services | Services rendered over time        
Revenues ¥ 0   ¥ 0 ¥ 0