1.Life span :above 30 years 2.Material: galvanized steel 3.ISO9001:2000 4.High quality, and perfect appearance Top 3 reasons why you should choose us* High quality* Competitive price* Convenient transportation 1. assembled design, easy to install;2. stainless stell secure screw, anti-dismantle;3. ECO-friendly, non-pollution;4. electrostatic spraying surface, good self-cleaning ability and clean ...