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SEGMENT REPORTING - Company's revenue (Details) | 6 Months Ended
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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

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