220kV Transmission Line Steel Tower 

220kV Transmissin Line Steel Tower 1. Type: conical or polygonal; 2. Material: Q235, Q345 or GR65; 3. Out coating:Hot dip galvanized. We have got 750kV Transmission Line Steel Tubular Tower Manufacture Permit Certificate from Power Industry Steel Tower Qualified Inspection & Test Center from 2009. Our steel poles are made from quality sheet through bending, forming, automatic welding and hot galvanization. We can reach one-run machining length of 14m and can bend sheet of thickness up to 45mm. We adopt advanced welding procedures, automatically weld main joints and reach rank-II welding quality. We have start to fabricating 750kV Transmission Line Steel Tubular Tower for our customers from 2009. Highway Portal Frame Steel Structure, Guardrail Steel Structure, Sign Pole, Railway Steel Structure, Railway Steel Column, Wind Power Tower Traffic Signal Lighting, Steel Lighting Pole High Mast, Street Lighting Pole, Transmission Line Steel Tubular Tower,…