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SEGMENT REPORTING - Company's revenue (Details) | 6 Months Ended
--- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
Revenue | ¥ 54,411,724 | $ 8,553,395 | ¥ 25,169,279
Cost of revenues and related tax | 39,904,645 | 6,272,917 | 18,452,239
Gross profit | 14,507,079 | 2,280,478 | 6,717,040
Depreciation and amortization | 1,682,450 | 264,477 | 1,369,590
Total capital expenditures | 337,171 |  | 375,569
Goods transferred at a point in time [Member] |  |  |
Revenue | 44,790,006 |  | 12,048,244
Services rendered over time [Member] |  |  |
Revenue | 9,621,718 |  | 13,121,035
Automation product and software [Member] |  |  |
Revenue | 23,859,815 | 3,750,707 | 12,618,460
Cost of revenues and related tax | 20,580,830 |  | 9,483,892
Gross profit | 3,278,985 |  | 3,134,568
Depreciation and amortization | 214,213 |  | 57,223
Total capital expenditures | 12,384 |  | 19,014
Automation product and software [Member] | Goods transferred at a point in time [Member] |  |  |
Revenue | 23,859,815 |  | 2,293,393
Automation product and software [Member] | Services rendered over time [Member] |  |  |
Revenue | 0 |  | 10,325,067
Equipment and accessories [Member] |  |  |
Revenue | 6,187,975 | 972,735 | 9,754,851
Cost of revenues and related tax | 2,918,195 |  | 6,713,438
Gross profit | 3,269,780 |  | 3,041,413
Depreciation and amortization | 423,065 |  | 308,956
Total capital expenditures | 8,849 |  | 53,760
Equipment and accessories [Member] | Goods transferred at a point in time [Member] |  |  |
Revenue | 6,187,975 |  | 9,754,851
Equipment and accessories [Member] | Services rendered over time [Member] |  |  |
Revenue | 0 |  | 0
Oilfield environmental protection [Member] |  |  |
Revenue | 19,735,430 | 3,102,363 | 2,795,968
Cost of revenues and related tax | 14,102,092 |  | 2,254,909
Gross profit | 5,633,338 |  | 541,059
Depreciation and amortization | 1,009,867 |  | 1,003,411
Total capital expenditures | 135,873 |  | 302,795
Oilfield environmental protection [Member] | Goods transferred at a point in time [Member] |  |  |
Revenue | 10,113,712 |  | 0
Oilfield environmental protection [Member] | Services rendered over time [Member] |  |  |
Revenue | 9,621,718 |  | 2,795,968
Platform outsourcing services |  |  |
Revenue | 4,628,504 | $ 727,590 | 0
Cost of revenues and related tax | 2,303,528 |  | 0
Gross profit | 2,324,976 |  | 0
Depreciation and amortization | 35,305 |  | 0
Total capital expenditures | 180,065 |  | 0
Platform outsourcing services | Goods transferred at a point in time [Member] |  |  |
Revenue | ¥ 4,628,504 |  | 0
Platform outsourcing services | Services rendered over time [Member] |  |  |
Revenue |  |  | ¥ 0

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