... ) Material:Steel, Brass, Copper, Stainless steel, Plastic, Aluminium, POM, Delrin, Titanium Alloy etc.2) Surface treatment:Zinc plating, Anodization, Chemical fim ... , Passivation, Sand blasting, Brushing & ploshing etc.3) Processing equipments:CNC machining center, CNC lathe, grinding machine, automatic lathe machine, conventional lathe machine ...