Copper cathode.
Non-ferrous metals, copper-wire, brass and mixed copper.
Copper Cathode Coltan..
Brass & copper sheets, brass & copper pipes / rods, steel nut-bolts, brass & copper coils (wires).
Metal Scrap .
Base metals (copper, zinc, nickel), construction, industrial & agricultural minerals (aggregates, cement, salt, potash, mineral sands), rare earth elements & gemstones.