... :black iron,HDG,spray paint,galvanized sheet thickness:0.5mm to 15mm Main ProductsZ steel structure,C shaped steel stucture,channel steel,angle steel,deformed ... ,width,thickness,height can manufacture as you requestSurface Treatmenthot dipped galvanized,electrogalvanizing,spray paintMateriaQ235,Q195,Q345Surface Treatment:hot dipped ...