Tungsten rod,tungsten bar is for the application of electorde,emission cathode, ... rod,support wire Tungsten rodTungsten rod(wolfram rod, tungsten bar) is for the application of emission cathode, high-temperature ... forming rod, support wire, lead-in wire, printer pin, various electrodes and heating devices of quartz furnace, etc. ... , Pure tungsten for TIG welding Tungsten rod,tungsten bar