... Height optional 4. LOW PRC SPECIFICATION:Electrical steel power polesEasy Installation and transportHigh intensity, long life spanMaterialQ235 ... power polesI.TYPEStraight line ,strain,dead-end,angle,T-post,long-span tower, area can cover every corner of the high voltage overhead ... The high voltage transmission line,II. Substation structure III.The holder of overhead ground wireReplace the old stringing ...