I. GRADHERMETIC, S.A.E., was founded in 1954 and specializes in the manufacture and marketing of aluminum products for the fi ... elds of construction, industry and interior design using its own designs, know-how and patents. Over the years the firm has emphasized ongoing innovation, thereby achieving a full-scale industry that converts stock aluminum into the final product after a complete manufacturing process (smelting, casting, hot rolling, cold rolling, tension flattening, continuous paint lines, cutting lines, shaping and assembly). Product quality is checked and controlled by in-house certified laboratories. read more