high mast pole,middle mast pole,high mast lighting pole 1.Type:conical,polygonal 2.thickness:3mm or more 3.steel:Q235/Q345 Welcome to ZQDetail description:High mast pole,middle mast pole,high mast lighting pole1.Type:conical,polygonal2.thickness:3mm or more3.steel:Q235/Q3454.hot dip galvanization and powder coated5.Rasing and lowering systerm High mast pole,middle mast post