... to found ingredient of material, cutter and heads, Tungsten Rod W-1(W≥99.98%),Purity: W≥99 ... ingredient of material, cutter and heads, conductor of heat,as the material and additive, crankshaft and cylinder barrel ... of advanced automobile, ingredient of kinds of heat-resistent steel and electrode, mainly used to guns, ... .001Cd0.0001Mg0.0006C0.002Bi0.0001Mo0.003-- Tungsten Rod W-1(W>99.98%)