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SEGMENT REPORTING - Total assets (Details) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 CNY (¥) | Jun. 30, 2019 CNY (¥)
--- | --- | --- | ---
Assets [Abstract] |  |  |
Assets | $ 23,371,066 | ¥ 162,849,516 | ¥ 156,981,554
Automation product and software [Member] |  |  |
Assets [Abstract] |  |  |
Assets | 10,787,704 | 75,168,686 | 71,337,589
Equipment and accessories [Member] |  |  |
Assets [Abstract] |  |  |
Assets | 7,458,008 | 51,967,379 | 50,800,483
Oilfield environmental protection [Member] |  |  |
Assets [Abstract] |  |  |
Assets | $ 5,125,354 | ¥ 35,713,451 | ¥ 34,843,482

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