1.High quality steel Q235 2.Hot Zinc Galvanized, 85um; 3.Height:8M~12M, thickness:3mm~4mm 1.High quality steel Q235 2.Hot Zinc Galvanized, 85um; 3.Height:8M~12M, thickness:3mm~4mm 1. Shape: octagonal, round2. Packing: bubble sheet ,or according to client's requirements.3.Life Time:20 years4.Certificate: ISO90015.can do OEM Specification For Reference HeightThickness8M3.5mm10M3.75mm12M4mm