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CONCENTRATION OF CREDIT RISK (Tables)
9 Months Ended
Dec. 31, 2018
Accounts Receivable  
Concentration of credit risk and major customers  
Schedule of concentration of risk by factors
 
 
December 31, 2018
 
 
March 31, 2018
 
Customer
 
Amount
 
 
Percent
 
 
Amount
 
 
Percent
 
A
 
$
110,619
 
 
 
75
%
 
$
394,454
 
 
 
27
%
B
 
$
17,280
 
 
 
12
%
 
 
*
 
 
 
*
%
C
 
$
*
 
 
 
*
%
 
$
432,084
 
 
 
30
%
D
 
$
*
 
 
 
*
%
 
$
263,098
 
 
 
18
%
*less than 10% of total