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Condensed financial information of the parent company (Details) - Schedule of parent company balance sheet (Parentheticals) - Parent Company [Member] - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Class A Ordinary Shares    
Condensed Balance Sheet Statements, Captions [Line Items]    
Ordinary Share par value (in Dollars per share) $ 0.0001 $ 0.0001
Ordinary Share authorized 450,000,000 450,000,000
Ordinary Share issued 19,435,423 16,102,420
Ordinary Share outstanding 19,435,423 16,102,420
Class B Ordinary Shares    
Condensed Balance Sheet Statements, Captions [Line Items]    
Ordinary Share par value (in Dollars per share) $ 0.0001 $ 0.0001
Ordinary Share authorized 50,000,000 50,000,000
Ordinary Share issued 5,497,715 5,497,715
Ordinary Share outstanding 5,497,715 5,497,715