Used copper cathode.
Copper or copper wire scrap.
Copper concentrate.
Used Rail Scrap.
Steel scraps.
Copper Powder..
Non ferrous metals, metal powders, rare earth metals, metals and alloys, niobium, rhenium, nickel, wolfram, tin, nichrome, vanadium, aluminum, brass, copper, titanium, molybdenum, tantalum, magnesium, zirconium.