... quality ,competitive price 3.Products based on your require cold rolled channel steel1.Material:Q235,Q215,Q345 2.Brand name:WISCO ... manufacture as you requestSurface Treatmenthot dipped galvanized,electrogalvanizing,spray paintMateriaQ235,Q195,Q345Surface Treatment:hot dipped galvanized,electrogalvanizing,spray paintWe have strict management ...