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Loans payable - employees (Details Textual)
Mar. 06, 2020
shares
Jan. 15, 2020
USD ($)
$ / shares
Jan. 15, 2020
CNY (¥)
Loans payable - employees (Textual)      
Aggregate amount   $ 218,519  
Conversion price, per share | $ / shares   $ 1.54  
Wei Zhang [Member]      
Loans payable - employees (Textual)      
Aggregate amount   $ 4,300,000  
Common shares, issued | shares 2,911,000    
Wei Zhang [Member] | RMB [Member]      
Loans payable - employees (Textual)      
Aggregate amount | ¥     ¥ 29,429,627