Import Antimony and Gold Raw Materials 

We'd like to buy antimony and gold raw materials in large quantities as below stated specification. Name Main Elements  Impurity Content  Size  Au g/t  Sb %  As % Pb % Si % Bi ppm Se ppm Cu ppm Antimony gold concentrates ＞18 ＞20 ≤0.5 ≤0.5 ≤20 ≤40 ≤30 100ppm Powder Antimony concentrates - ＞30 ≤0.5 ≤0.5 ≤20 ≤40 ≤30 100ppm Powder Gold concentrates ＞40 -…