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ORGANIZATION AND NATURE OF OPERATIONS - Energy consumption market opened to private and foreign companies (Details) - Future Gas Station (Beijing) Technology, Ltd
12 Months Ended
Jan. 13, 2021
CNY (¥)
Jan. 13, 2021
USD ($)
Aug. 21, 2018
CNY (¥)
shares
Jun. 30, 2019
CNY (¥)
shares
Jun. 30, 2019
USD ($)
shares
Feb. 04, 2021
Dec. 15, 2017
Aggregate amount invested ¥ 30,530,000 $ 4,799,244          
Domestic Companies              
Equity interest acquired             8.00%
Ownership interest held           51.00%  
Domestic Companies | Investment Agreement              
Equity interest acquired     43.00% 43.00% 43.00%    
Investment in FGS agreed | ¥     ¥ 10,000,000        
Number of shares issued | shares     487,057 487,057 487,057    
Aggregate amount invested       ¥ 35,116,707 $ 5,520,264    
Domestic Companies | Fourth supplemental agreement              
Equity interest acquired     8.00%     8.00%