... carbide pins,sprue bushing,locking blocks, die casting part, mould components,precision mould parts,standard and customized ... tungsten steel → linear cutting → punch a hole →finish turning(FT) → polishin Processed andTesting Equipments Center-less grinder, surface ... cylindrical grinder,inner-aperture grinder,Sodick EDM, CNC grinding machine,CNC milling machine,polishing machine, engine lathe,Projector ...