the street lamp pole description: our factory was build in 1983 and have 30 years experiencesin lamp pole,and and we have a set of machine of doing street lamp post ,and we can all kinds of lamp pole or any other pole that used in square.we can give the good quality and reasonable price for our costomers. we have passed the ISO9001:2000 and the CE certificate. 1,material:steel or cast iron Q235,Q345. 2,anti-corrosion methods:hot dip galvanized or polyester powder coated. 3,thickness of the lamp pole :2.5mm-15mm 4,the length of the lamp pole:5M---30M 5,wind resistance velocity above 40m/s. 6,the welding is good . 7,the arm:single or dubble,or arch arm. the best way is the costomer provide the design and drawing ,and our produce as your requirement .