1.anti-corrosion,anti- ultraviolet 2.beautiful, durable, installation fast 3. ... galvanized, before besmearing primer and high adhesion powder spraying three layer protection welded piece, with corrosion- resistance, resistance to ultraviolet ... , aluminum wire,etc. Advantage:beautiful, durable, installation fast, anti-corrosion,anti- ultraviolet, low cost, Protective performance is good. Uses:highway ...