This is purchaser-Sophia qu from China smelting factory and i'm finding mines to maintain long term relationship in copper nickel ore and other precious raw materials. If you're miners expotor, please contact me. We are very interested in the copper cargos and nickel cargos: 1. Name of the Product : copper (Sulfide or oxide both ok) (1)copper concentrate≥ 15%,sulfur≥ 25% (2)copper ore≥ 10 %,size<=5mm 2.Name of the product:Nickel (1) Nickel concentrate ≥10%,sulfur≥20%,Pb<0.2%,Zn<0.2%,As<0.2%,Cd<0.3%,Cl<0.5%,MgO +Al2O3<10% (2)Nickel matte ≥10%,sulfur ≥20%,Pb<0.2%,Zn<0.2%,As<0.2%,Cd<0.3%,Cl<0.5% 3.Name of the products:Copper/Nickel Anodic mud and Silver Separated residue