cold rolled channel steel 1.Prompt delivery,time-saving 2.High quality ,competitive price 3.Products based on your require cold rolled channel steel1.Material:Q235 ... manufacture as you requestSurface Treatmenthot dipped galvanized,electrogalvanizing,spray paintMateriaQ235,Q195,Q345Surface Treatment:hot dipped galvanized,electrogalvanizing,spray paintWe have strict management ...