... -84 2.Model number:W1,W2 3.Purity:99.95% Tungsten bars/rods1.Standard:GB 4187-842.Model number:W1,W23 ... -102500Φ10-302000Φ30-601500Φ60-1001000Φ100-2006003.Application:Tungsten rod/bar can be widely used in illumination, heater and ... the electronic mechanical engineering, etc.Tungsten rod can be used in making the electricity photo source ...