1, Use for power transfer 2,Quality: ISO9001 3,Electric pressure:10kv-750kv 4,High quality with reasonable price ... 12sides,16sidesCrossarmSingle or double crossarm, dimension as per customers’ requirementMaterial Steel plate Q235, Q345,Q460Q235 equivalent to SS400, S235JO. Q345 ... client required Certificates ISO9001-2008 ProtectionAnti-rust, anti – corrosion steel tube power transmission tower