... can produce many varieties of tungsten and molybdenum crucibles for single crystal growing process as a high temperature durability container in ... : W, Mo,TZM, , Ti, WMo allysupply range: nut, bolt, rivet, screw, cap, fastner,accoridng to USA, China, Europe , National sandard ... , vaccum furnace,molybdenum & tungsten fixed parts Molybdenum nut, screw, rivet, bolt, fastener in high temperature furnace