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Taxes Payable (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Taxes Payable [Abstract]    
Income - current $ 1,571,490 $ 1,718,051
Value-added tax 1,733,519 1,666,695
Other taxes 264,763 251,813
Total - current 3,569,772 3,636,559
Income - noncurrent $ 6,390,525 $ 6,390,625