... Tungsten rodGrade: W-1 Purity: W>99.98% Tungsten rod AvailabilityTungsten rod is manufactured as random length pieces or cut to customers ... heater and the electronic mechanical engineering, etc. The tungsten rod can be used in making the electricity photo source, the ... automobile and the tractor light bulb, make lattice side rod, framework, leading wire, electrode, heater and contact materials and ...