Ash, dross, scrap of cobalt, nickel, tin, copper
Pcb board, cpu scrap, copper scrap, copper wire, tungsten, nickel
Tungsten carbide, high nickel scrap,cobalt scrap,nd magnet,iridium.ruthenium
Copper/copper alloy/copper scrap, non ferrous metals like stainless steel, nickel, nickel alloy, tin, tin alloy, aluminum, aluminum alloy, alloy steel, electronic scrap