... , Ventilators, down pipe, Glavanized gutter, etc9)Surface: Two lays of Anti-rust Painting!10) Packing: Main steel frame without ... life over 50 years. steel anti-corrosive. Maximization of available constructing space. Surface treatment: static powder coating ... Steel Coil, Refrigerators Add: District for Economy and Technology Development of Xiaoshan, Hangzhou, Zhejiang , China Tel: +86 571 82867598 ...