Ongoing bulk purchase of scrap steel、Iron、Copper、Aluminum、Stainless steel、Cable Wires、Motors, Transformers、Large-scale machinery and equipment、Semi-finished goods、Factory DemolitionRare precious metals business including tungsten, molybdenum, nickel, cobalt, titanium, vanadium, niobium, tantalum, indium, gallium, germanium, gold, silver, platinum, palladium, rhodium, iridium, ruthenium, and others.