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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-controlling interests (Details)
1 Months Ended 12 Months Ended
Nov. 30, 2019
CNY (¥)
Nov. 30, 2018
CNY (¥)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2018
Noncontrolling Interest [Line Items]          
Acquisition of Noncontrolling interest     $ 133,552    
Noncontrolling interests     $ 2,744,576 $ 2,743,273  
Gansu QLS          
Noncontrolling Interest [Line Items]          
Ownership interest (in percent)     1.703% 1.703%  
Noncontrolling interests     $ 298,322 $ 387,420  
Chengdu QLS          
Noncontrolling Interest [Line Items]          
Ownership interest (in percent)     28.25% 28.25%  
Noncontrolling interests     $ 2,448,765 $ 2,355,853  
Ahan          
Noncontrolling Interest [Line Items]          
Ownership interest (in percent)     25.00%   50.00%
Ownership interest acquired (in percent) 25.00% 25.00%      
Acquisition of Noncontrolling interest | ¥ ¥ 250,000 ¥ 250,000      
Noncontrolling interests     $ (2,511)