EC21 Buying Leads Catalogs - tin products

We Buy Copper Ash

20200616

products for large quantity: 1. Copper smelter: slag,furnace brick, copper ash, copper anode sludge, acid pi

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<