Name: Electricity Power Transmission Tower Usage: Power Transmission TowerMaterial: Q345,Website:http://www.chinaskylink.com, Q235, 20# Steel Seamless Pipe, ERW Pipe Type: Tubular TypeConnecting Method: Bolts & WeldingWelding Standard: Canada Welding Standard (CWB Certified Welders), AWS StandardSurface Treatment: Hot-Dip Galvanized Voltage Level: 35KV, 110KV, 220KV, 330KV, 500KV, 750KV ...