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Segment Reporting (Details) - USD ($)
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Segment Reporting [Abstract]      
Revenue from B2B2C Service $ 4,685,132 $ 3,540,536 $ 4,467,605
Revenue from B2C Service 685,568 645,060 554,480
Revenue from Technological Development and Operation Service 266,670 1,172,427 945,811
Total $ 5,637,370 $ 5,358,023 $ 5,967,896