... .stainless steel compound plate,stainless steel plate,ect.(anticorrosion treatment with hot galvanization,also color polyester power could be coated on ... (other materials are also avaliable on requesr)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 ...