... ,Columniform,polygonal or conical 2.Material:steel plate. Galvanised steel pole:1.Shape:Conoid ,Multi-pyramidal,Columniform,polygonal or conical2.Material ... (other materials are also avaliable on requesrt)3.Jointing of pole with insert mode,innerflange mode,face to face joint mode ... .4.Design of pole :against earthquake of 8 grade ,aganist wind pressure of 1605 ...