The design, manufacture, supply and installation of metal constructions and other materials, of frames and their accessories or components. The design, manufacture, supply and installation of parts intended for metal and non-metal constructions. The installation of metal or other material structures, load-bearing and non-load-bearing frames, fences, gates, garage doors, shutters and closures of all kinds. To carry out design and technical consulting activities for these works. Design and technical consulting for metal construction and other material works. The import and export of building materials, particularly metal, as well as participation and representation in companies in the sector. To carry out any activity connected with the purpose.