Galvanized steel tube: Material: Q235/Q345 Sizes: as request Shape: square, round, ... W Beam (Profile A), Profile B, and different types of steel posts (C Posts, U Posts, Sigma Posts) and blocks, we ... China(mainland) Brand Name:Hua XinCertification: ISO9001, ISO14001, SGSGalvanized steel tube:Purpose: steel fence postMaterial: Q235/Q345Sizes: as requestShape: square, round, rectangle ...