Lead , zinc, copper ingots.
Copper ore and copper concentrate zinc.
Coltan, organic fertilizers , copper ore and copper cathodes.International trade
Aluminum Ingots A7 99.70 % Al, Zinc Ingots, Copper Cathodes Grade A 99.9 % Cu.
Brass wire an others coppers alloy wire.
Copper cathodes, iron ore.
Manganese ore, copper ore, cathode copper, millberry, iron ore, niobium columbite.