Tungsten rod,tungsten bar,tungsten electrode is for the application of electorde,emission cathode,high-temperature forming rod Tungsten rod, tungsten bar,tungsten electrode is for the application of emission ... For making cathodes, high temperature setting rods, electrodes2) Leads, supports and typing needles3) Electrode of WTh20, WCe20, Pure tungsten for TIG welding Tungsten Rod for electrode