... Q/ZYH 201-2000 3.OEM,ISO9001 Pure Tungsten Rod 99.98% Product:W-2 fine ... surface, Forged surface, Ground surfaceApplication: The tungsten rod/bar can be widely used in illumination, heater ... the electronic mechanical engineering, etc. The tungsten rod can be used in making the electricity photo ... and the tractor light bulb, make lattice side rod, framework, leading wire, electrode, heater and contact ...