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Income Taxes, Deferred Tax Assets and Deferred Tax Liabilities (Details) - Schedule of provision for income taxes expenses - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
PRC income tax:        
Current
Deferred
Income taxes expenses