... Tungsten,Molybdenum,Tantalum,Nickel,Tiatanium,Niobium,Zirconium and their alloys' plate/sheets,strips,foils,bars,rods,wires,tubes,ciucibles,targets,discs ... has established a set of scientific management system and strict quality control system.All mandates of IS9001:2000 have been conformed ...