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Accrued Expenses and Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2017
Accrued Expenses and Other Current Liabilities [Abstract]  
Schedule of other payables and other current liabilities
  2017  2016 
Accrued salaries and social welfare $345,710  $118,835 
Accrued expenses  291,043   418,989 
Reimbursed employee's expense  34,212   14,971 
Deposits from customers  89,382   86,106 
Others  2,526   4,423 
Total accrued expenses and other current liabilities $762,873  $643,324