High mast pole Features: ISO9001:2000 20mtr-60mtr Rising&falling equipment and accessories can be outfited roughcast, hot-dip galvanized or powder coated round or polygonal material:Q235. SS400 Q345B disposable moulding technology welding seam is level and smooth. strictmanagement and test measures ensure the high quality zinc coated wallthickness>86um wind resistant velocity 36m/s or more customization is welcome patent right innovative and elegance We boastour strong technological strength, well-rounded equipment, and state of the art technology. We're always committed to establishing long-term cooperation relations with our cutomer. Therefore, we always offer our customer high quality product with fair price.