Founded in 1950, our company manufactures helicoidal steel tubes for DN 20" to 120" piping with thicknesses of between 5 and 25 mm. Hot coating, varnishing and polyurethane resins. Square and rectangular tubes et profiles with longitudinal welding for DN 10" to DN 24" structures, 250x250 mm to 700x300 mm, thickness 6 to 16 mm.