Q235 Electrical Steel Tubular Pole for Galvanized Power Transmission Line Overhead Project Company Information JIANGSU HONGGUANG STEEL POLE CO., LTD. With over 15 years of experience in manufacturing steel structures for power transmission and other industries. Exporting to Southeast Asia, Africa, Europe, Australia, the Middle East, South America, and more. Product Specifications Products Power Transmission Line electrical Steel Tubular Poles/Towers Type Suspension Pole,