EC21 Buying Leads Catalogs - tungsten concentrate

We Buy Copper Concentrate

20230920

concentrate ≥ 15%，sulfur≥ 25% （2）copper ore ≥ 10 % （3）copper matte≥ 15 % （4）copper compo

20221011

We want to import the following products: (1)Copper concentrate≥15%, sulfur≥20%, Pb<6%,As<0.5%,F<0.1%,Cd<0.05%, Hg<