I plant the production of Shearer and tunneling machine truncation tooth, model range. U62,U47, U84, U85, U82, U92, U94, U95, S100, S120, S135, S150 S170. Teeth are made of quality 42CrMo steel cold extrusion, high density, not carbon. CNC lathe Processing ensure consistent sizes. Using a special heat treatment process, 40-45, basic non-oxidation on the surface. Head of pick isothermal Hardening, hardness is not reduced. Regular domestic manufacturers in the production of cemented carbide YG11C, quality and stability.