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Summary of Significant Accounting Policies (Details Textual) - USD ($)
6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Mar. 31, 2017
Aug. 10, 2015
Jun. 26, 2015
Summary of Significant Accounting Policies (Textual)          
Allowance for doubtful accounts $ 0   $ 0    
Investments earned interest 50,692 $ 23      
Advertising expenses $ 222 $ 0      
Sweet Lollipop [Member]          
Summary of Significant Accounting Policies (Textual)          
Ownership Percentage         100.00%
Long Yun Hk [Member]          
Summary of Significant Accounting Policies (Textual)          
Ownership Percentage       100.00%