... 2.W-2,Q/ZYH 201-2000 3.OEM manufacturer Tungsten Rod & Bar With Exporting Quota Product:W-2 fine ... diameterLength: 30-2000mmSurface: Sintering surface, Forged surface, Ground surfaceApplication: The tungsten rod/bar can be widely used in illumination, heater and ... the electronic mechanical engineering, etc. The tungsten rod can be used in making the electricity photo source ...