Quarterly report pursuant to Section 13 or 15(d)

Certain Risks and Concentrations (Tables)

v3.19.2
Certain Risks and Concentrations (Tables)
6 Months Ended
Jun. 30, 2019
Major Suppliers [Member]  
Concentration Risk [Line Items]  
Schedule of concentration of risks
    Three Months Ended
June 30,
    Six Months Ended
June 30,
 
Supplier   2019     2018     2019     2018  
A     56 %     31 %     55 %     32 %
Major Customers [Member]  
Concentration Risk [Line Items]  
Schedule of concentration of risks

    Three Months Ended
June 30,
    Six Months Ended
June 30,
 
Customer   2019     2018     2019     2018  
A     22 %     20  %     22 %     22  %
B     18 %     *       17 %     *  
C     12 %     18 %     14 %     13  %
D     12 %     10 %     11 %     11  %

 

* less than 10%