steel fence material:pre-galva steel tube, aliminum tube processing: welding and powder coating color: balck, white, RAL Steel fence SIZE: length to 3m.material:pre-galva steel tube, aliminum tube, steel profileprocessing: welding and powder coatingcolor: balck, white, greenPURPOSE: Pool fence, residential fence, garden fence, balcony and stairs fence, and so on CERTIFICATE: ISO9001 steel fence