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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Cash, Accounts Receivables, and PP&E (Details) - USD ($)
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Cash and cash equivalents    
Cash deposit with a large national China-based bank $ 1,423 $ 8,606
Machinery and equipment | Minimum    
Property, plant and equipment, net    
Estimated useful lives 5 years  
Machinery and equipment | Maximum    
Property, plant and equipment, net    
Estimated useful lives 15 years  
Buildings    
Property, plant and equipment, net    
Estimated useful lives 30 years  
Leasehold improvements | Minimum    
Property, plant and equipment, net    
Estimated useful lives 2 years  
Leasehold improvements | Maximum    
Property, plant and equipment, net    
Estimated useful lives 5 years