Steel Materials: steel materials comprises Q235A, Q235B, Q345A, Q345B, GR65, etc. coatings: hot-dipped shiny galvanization with maple leaf frost pattern or dull grey galvanization, the thickness of zinc is more than 60um(microns) or be multi-color plastic spraying or powder coated after galvanization. welding: welding procedure has been certified by AWS(American Welding Society ) and our welders have got corresponding certificate after testing and inspection shape: conical or taper multi-sided, straight or bending. We can also produce them according to your drawings and requirements. Price for each piece will be given according to your drawings. Currency: USD Unit Price: Quantity: minimum 20 feet Delivery: first delivery lead-time