Detailed Product Description Hot galvanized steel tubeProduct details: Commodity Specification:Galvanized steel pipeProcess Method :Hot dipped galvanized,Pre-galvanized,G.I.pipe,Electric galvanized Material :Q195,Q215,Q235 ... , or PVC.Commodity Specification:Square hollow sectionProcess Method :Cold rolled, Hot rolled, high frequency weldedMaterial :Q195,Q215,Q235,Q345Size: a)Side ...