Polygonal Steel Tubular Pole We manufactured 220kV steel pole for our local electric power transmission line updating project. 1. Type: conical or polygonal; 2. Material: Q235, Q345 or GR65; 3. Out coating:Hot dip galvanized. We have got 220kV Transmission Line poles Quality Certificate from Power Industry Steel Tower Qualified Inspection & Test Center from 2001 year. 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 supplied 2400ton 132kV and 220kV transmission line steel pole to WAPDA. Pakistan on 2008 and have supplied 1200ton 138kV transmission line steel pole to Davao light, Philippines on 2009. Highway Portal Frame Steel Structure, Guardrail Steel Structure, Sign Pole, Railway Steel Structure, R…