Changsha South Tantalum Niobium Co.,Ltd, specialize in manufacture and sale quality tantalum and its alloy (Ta10W, Ta2.5W, Ta40Nb) plate, sheet, foil, strip, target, tape, rod, bar, wire, tube and pipe according to ASTM specifications. For more details please go to our website: Http://www.csnftn.com And welcome visit to our company.