Hot dipped galvanized steel power transmission tower is one of our main products, it has the following advantages: 1. ISO and CE Certificate 2. 20 years production experience 3. Material: Q235B, Q345B, Q420B 4. Hot Dip galvanization 5. OEM is welcome 6. High quality with reasonable price 7. Can produce various height and structural tower 8. Monthly production capacity can reach 5000 Metric tons Performance Standard Besides conforms to the drawing and design, the materials and fabrication of tower components shall conform to the following standards (Chinese Standards) and customer's requirements. Steel pipe/angle/hybrid tower welding requirements 1 )we used CO2 welding and submerged arc auto welding or other methods. 2 )Welded seam shall be full penetration and grinded. 3 )The welded product has no fissure, scar, overlap, layer or other defects. Steel tower Galvanization/color painting All steel items, bolts, nuts, washers & other components to be hot -dip galvanized with uniform. As per (ASTM-A-123). Paiting for corrosion proof.