XML 44 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
CONCENTRATION OF CREDIT RISK (Tables)
6 Months Ended
Sep. 30, 2018
Accounts Receivable  
Concentration of credit risk and major customers  
Schedule of concentration of risk by factors
 
 
September 30, 2018
 
 
March 31, 2018
 
Customer
 
Amount
 
 
Percent
 
 
Amount
 
 
Percent
 
A
 
$
279,650
 
 
 
34
%
 
 
*
 
 
 
*
%
B
 
$
147,737
 
 
 
18
%
 
$
432,084
 
 
 
30
%
C
 
$
116,899
 
 
 
14
%
 
$
394,454
 
 
 
27
%
D
 
$
*
 
 
 
*
%
 
 
263,098
 
 
 
18
%
E
 
$
99,252
 
 
 
12
%
 
 
*
 
 
 
*
%
F
 
$
86,568
 
 
 
11
%
 
 
*
 
 
 
*
%
 
*less than 10% of total