Best Selling 13.8KV Philippines Galvanized Electrical Power Steel Tubular 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, etc. Founded in 1998, Jiangsu Hongguang Steel Pole Co. Ltd (JSHG) specializes in manufacturing various steel structures including: Transmission Poles and Substation Structures for power