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SEGMENT INFORMATION AND REVENUE ANALYSIS (Details 2) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Total revenues $ 23,834,129 $ 18,531,178 $ 14,144,894
Domestic PRC      
Total revenues 23,834,129 18,407,891 13,549,989
Export      
Total revenues $ 0 $ 123,287 $ 594,905