EC21 Buying Leads Catalogs - cobalt ore

We Buy Nickel Concentrate

20230920

ore ≥ 10 % （3）copper matte≥ 15 % （4）copper compound≥ 10 % Sulfide or oxide both ok As<0.5%,C

20221011

ore/concentrate, Nickel ore/concentrate, Cobalt concentrate, Tantalum-Niobium ore, other precious metals only deal with