1.High quality steel Q235 2.Hot Zinc Galvanized, 85um; 3.Height:6M~8M, thickness:3mm~4mm Detailed Product Description1.High quality steel Q2352.Hot Zinc Galvanized, 85um;3.Height:6M~8M, thickness:3mm~4mm1. Shape: octagonal, round2. Packing: bubble sheet ,or according to client's requirements.3.Life Time:20 years4.Certificate: ISO90015.can do OEM