Quarterly report pursuant to Section 13 or 15(d)

Concentrations (Tables)

v3.21.2
Concentrations (Tables)
9 Months Ended
Sep. 30, 2021
Risks and Uncertainties [Abstract]  
Schedule of customers
    Three Months Ended
September 30,
    Nine Months Ended
September 30,
 
Customer   2021     2020     2021     2020  
A (Hebei Daopei, a related party)     27 %    
*     12 %    
*
B     28 %     28 %     29 %     29 %
C     12 %     18 %     16 %     18 %
D    
*     14 %     11 %     14 %

 

* Less than 10%