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SEGMENT REPORTING - Company's revenue (Details)
 6 Months Ended
Dec. 31, 2023
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Revenue $ 6,374,269 ¥ 45,256,672 ¥ 45,559,591
Cost of revenue and related tax 4,669,211 33,150,930 32,427,772
Gross profit 1,705,058 12,105,742 13,131,819
Depreciation and amortization 200,985 1,426,971 1,952,625
Total capital expenditures   199,444 2,321,272
Goods transferred at a point in time      
Revenue   40,456,993 43,052,594
Services rendered over time      
Revenue   4,799,679 2,506,997
Automation product and software      
Revenue 2,472,273 17,552,892 19,055,227
Cost of revenue and related tax   14,040,976 14,955,185
Gross profit   3,511,916 4,100,042
Depreciation and amortization   253,397 524,970
Total capital expenditures   83,253 2,303,311
Automation product and software | Goods transferred at a point in time      
Revenue   14,368,994 19,055,227
Automation product and software | Services rendered over time      
Revenue   3,183,898  
Equipment, accessories and others      
Revenue 2,516,571 17,867,404 9,730,859
Cost of revenue and related tax   12,778,042 6,254,015
Gross profit   5,089,362 3,476,844
Depreciation and amortization   143,927 358,954
Total capital expenditures   116,191 3,008
Equipment, accessories and others | Goods transferred at a point in time      
Revenue   17,867,404 9,730,859
Oilfield environmental protection      
Revenue 1,134,339 8,053,696 12,789,684
Cost of revenue and related tax   6,020,271 9,988,100
Gross profit   2,033,425 2,801,584
Depreciation and amortization   1,029,646 1,038,342
Oilfield environmental protection | Goods transferred at a point in time      
Revenue   8,053,696 10,282,687
Oilfield environmental protection | Services rendered over time      
Revenue     2,506,997
Platform Outsourcing Services      
Revenue $ 251,085 1,782,680 3,983,821
Cost of revenue and related tax   311,641 1,230,472
Gross profit   1,471,039 2,753,349
Depreciation and amortization     30,359
Total capital expenditures     14,953
Platform Outsourcing Services | Goods transferred at a point in time      
Revenue   166,899 ¥ 3,983,821
Platform Outsourcing Services | Services rendered over time      
Revenue   ¥ 1,615,781