precision turned machining parts 1.material:carbon ... wheel, garage, fasteners, crane parts, elevator parts, machining parts, mouldsMaterialcarbon steel, stainless steel, aluminum alloy, ... copperProcedureCutting,stamping,punching,threading,bending,welding,grinding,machining,surface finishSurface finishingzinc plating, hot dipped galvanized, ... rolling machine and so on. precision turned machining parts