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Related party balances and transactions (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Loans Payable $ 1,300,000    
Interest rate 18.00%    
Interest expense $ 0 $ 0 $ 176,354
Interest Payable 574,065    
Cost of revenues from related party 7,373,652 $ 4,718,093 $ 7,987,146
Bank of Beijing [Member]      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Line of credit 3,000,000.0    
Mashangyou Technology [Member]      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]      
Cost of revenues from related party $ 350,987