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Other Receivables and Prepayments (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Receivables [Abstract]    
Prepaid insurance $ 147,864 $ 107,842
Prepaid service fee 75,224 91,002
Rental deposits 8,576 61,333
Prepaid rental expenses 46,948 11,910
Prepaid research and development expenses 41,614
Other receivables 109,435 16,186
Others 34,495 22,057
Total $ 464,156 $ 310,330