500kV Steel Tubular Substation Structure Test Report

220kV Tapered Tubular Steel Pole

AWS-American Welding Society

CFC Green General Galvanizing-Cleaner Production Certificate

UT-Ultrasonic Testing

PT-Penetration Testing

MT-Magnetic ParticleTesting

RT-Radiographic Testing

International Zinc Association (China) Metal Coating Technology Research Center

International Galvanizing Technology (China) Training Center

ZTE Excellent Supplier