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INVESTMENT IN UNCONSOLIDATED ENTITY - Additional Information (Details)
1 Months Ended 6 Months Ended 18 Months Ended
Aug. 21, 2019
shares
Aug. 21, 2018
shares
Aug. 21, 2018
CNY (¥)
Dec. 31, 2019
USD ($)
item
Dec. 31, 2019
CNY (¥)
item
Dec. 31, 2018
CNY (¥)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Jun. 30, 2019
CNY (¥)
Payments to Acquire Businesses and Interest in Affiliates       $ 0 ¥ 0 ¥ 3,815,080      
Impairment loss of investment in unconsolidated entity | $             $ 0    
Cost Method Investment Ownership Percentage   43.00% 43.00% 43.00%     43.00% 43.00%  
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures | shares 487,057 487,057              
Payments to Acquire Equity Method Investments | ¥         8,000,000        
Income (Loss) from Equity Method Investments       $ 20,277 141,288 ¥ (844,369)      
Investment Payable       918,485     $ 918,485 ¥ 6,400,000 ¥ 6,400,000
Future Gas Station Beijing Technology Ltd [Member]                  
Payments to Acquire Businesses and Interest in Affiliates       $ 5,059,990 ¥ 35,257,995        
Payments to Acquire Additional Interest in Subsidiaries | ¥     ¥ 10,000,000            
Equity Method Investment, Additional Information     As consideration for increasing its affiliates' interest in FGS from 8% to 43%, the Company will (1) pay a total of RMB 10 million in cash to FGS and (2) issue 487,057 restricted ordinary shares of the Company (the "Restricted Shares") to the other shareholders of FGS within 30 days after FGS finalizes recording the Company's corresponding interest at the local governmental agency.            
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures | shares   487,057              
Number of gas stations extending business | item       200 200        
Minimum                  
Equity Method Investment, Ownership Percentage   8.00% 8.00% 20.00%     20.00% 20.00%  
Maximum                  
Equity Method Investment, Ownership Percentage   43.00% 43.00% 50.00%     50.00% 50.00%