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Taxes (Details) - Schedule of reconciliation of effective tax rate
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of reconciliation of effective tax rate [Abstract]      
China statutory income tax rate 25.00% 25.00% 25.00%
Preferential tax rate reduction (10.00%)
Permanent difference 2.00% 7.00% (26.00%)
Effective tax rate 17.00% 32.00%