... ,Q/ZYH 201-2000 3.OEM manufacturer Tungsten Rod & Bar With Exporting Quota Product:W-2 fine particle tungsten ... : Sintering surface, Forged surface, Ground surfaceApplication: The tungsten rod/bar can be widely used in illumination, heater and the electronic ... source, the automobile and the tractor light bulb, make lattice side rod, framework, leading wire, electrode, heater and contact materials ...