... machining parts 1.material:carbon steel,stainless steel,aluminum alloy 2.finish:polish,brush,grinding,turning We specialize in the field of custom ... , parking system, lift platform, steel structure, auto parts, fifth wheel, garage, fasteners, crane parts, elevator parts, machining parts, mouldsMaterialcarbon steel, stainless steel, aluminum alloy, copperProcedureCutting ...