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Accrued Expenses and Other Current Liabilities (Details) - Schedule of other payables and other current liabilities - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Payables And Accruals [Abstract]    
Accrued salaries and social welfare $ 382,769 $ 663,929
Accrued expenses 348,023 572,932
Reimbursed employee's expense 8,174 27,460
Deposits from customers 117,204 253,014
Others 10,164 131,383
Total accrued expenses and other current liabilities $ 866,334 $ 1,530,473