light pole 1. hot-dipped galvanized and spraying powder 3.national patented safety pole light pole1. hot-dipped galvanized and spraying powder2.national patented safety ... 30m 4. We can produce different shapes, such as circinal, octagonal, dioctahedron with different thickness and so on We have advanced ... shear, submerged arc, welding machine, linking machine, flange plate punch light pole