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Income Taxes (Details) - Schedule of reconciliations of the statutory income tax rate and the company's effective income tax rate
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of reconciliations of the statutory income tax rate and the company's effective income tax rate [Abstract]      
HK statutory income tax rate 16.50% 16.50% 16.50%
PRC statutory income tax rate difference 8.50% 8.50% (1.50%)
Effect of additional deduction on R&D expense and salary for disabled workers 0.00% 0.08% 0.87%
Effect of expenses not deductible for tax purposes (2.43%) (0.48%) (0.05%)
Valuation allowance recognized with respect to the loss in subsidiaries (22.57%) (24.60%) (15.82%)
Other (0.10%) 0.00% 0.00%
Total (0.10%)