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7. ACCOUNTS PAYABLE AND ACCRUED EXPENSES
3 Months Ended
Mar. 31, 2018
Payables and Accruals [Abstract]  
7. ACCOUNTS PAYABLE AND ACCRUED EXPENSES

Accounts payable and accrued expenses consist of the following:

 

    March 31,   December 31,
    2018   2017
Accounts payable   $     $  
Salary payable     270,901       393,617  
Social security insurance contribution payable     140,671       135,203  
Other payables     579,649       503,263  
Total   $ 991,221     $ 1,032,083