General project: Metal structure manufacturing; Sales of construction steel reinforcement products; Manufacturing of metal parts for construction; Manufacture of wire rope and its products; Building decoration, plumbing parts and other building metal products; Metal products for safety and fire protection; Metal material manufacturing; Metal shipbuilding; Metal seal manufacturing; Metal doors and Windows engineering construction; Metal material sales; Sales of high-performance non-ferrous metals and alloy materials; Sales of metal products; Metal structure sales; Production of bearing steel products (except for projects subject to approval according to law, independently carry out business activities according to law with business licenses).