We Buy Copper Ore

20230920

oxide both ok As<0.5%,Cl<0.5%,Cd<0.05%, Hg<0.01%,F<0.1%,Pb+Zn<6% ,Bi<0.2% 2..Name of the product:Nickel (1) Nic

EC21 Buying Leads Catalogs - tungsten oxide