Mexican company with more than 75 years of successful history. Linepipe producers for transporting sour and non-sour hydrocarbons. Water Linepipe (Aqueducts) Automated continuous welding processes: Straight Longitudinal HFW/ERW/SAWL and Helical SAWH. Diameters from 6.625" to 144", in API grades, up to X-100, in wall thicknesses up to 2.5 inches