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SEGMENT REPORTING - Company's revenue (Details)
6 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Revenue $ 4,363,543 ¥ 30,405,153 ¥ 42,271,729
Cost of revenue and related tax 2,645,989 18,437,241 27,034,637
Gross profit 1,717,554 11,967,912 15,237,092
Depreciation and amortization 59,069 411,592 515,457
Total capital expenditures   1,310,630 4,694,749
Automation product and software [Member]      
Revenue 3,239,389 22,572,055 28,954,379
Cost of revenue and related tax   13,991,321 18,549,248
Gross profit   8,580,734 10,405,131
Depreciation and amortization   47,122 34,489
Total capital expenditures   12,967 55,554
Equipment and accessories [Member]      
Revenue 1,120,410 7,807,013 10,312,238
Cost of revenue and related tax   4,174,481 6,690,414
Gross profit   3,632,532 3,621,824
Depreciation and amortization   350,850 467,348
Total capital expenditures   0 227,575
Oilfield environmental protection [Member]      
Revenue $ 3,744 26,085 3,005,112
Cost of revenue and related tax   271,439 1,794,975
Gross profit   (245,354) 1,210,137
Depreciation and amortization   13,620 13,620
Total capital expenditures   ¥ 1,297,663 ¥ 4,411,620