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Lease (Details Textual)
1 Months Ended 12 Months Ended
Feb. 28, 2019
USD ($)
Mar. 31, 2020
USD ($)
Mar. 31, 2018
USD ($)
Mar. 31, 2018
CNY (¥)
Lease (Textual)        
Weighted average remaining lease term   1 year    
Weighted average discount rate   5.00%    
Operating lease cost   $ 75,950    
Short-term lease cost   4,334    
Variable lease cost      
Accrued rent expenses and penalties     $ 111,885  
Operating lease term 2 years      
Operating lease expiry Jan. 31, 2021      
Security deposit $ 62,570      
RMB [Member]        
Lease (Textual)        
Accrued rent expenses and penalties | ¥       ¥ 770,950