Hot Dip Galvanized Thickness 3.5mm 110KV Steel Pole Company Information JIANGSU HONGGUANG STEEL POLE CO., LTD. With over 15 Years of Experience Capable to Handle Volume Orders Exporting to Southeast Asia, Africa, Europe, Australia, the Middle East, South America Founded in 1998, Jiangsu Hongguang Steel Pole Co. Ltd (JSHG) specializes in manufacturing various steel structures including: Transmission Poles and Substation Structures for power transmission High masts and street