Qualification of national steel structure professional contracting first-level enterprise, professional company engaged in the production and installation of light steel structures. It has a first-class H-beam production line and a large-scale enclosure system production line, with an annual production and processing of 20,000 tons of steel structures and 200,000 square meters of color plates. Over the years, we have provided users with high-quality steel structure products with scientific management, superb production and installation, and perfect construction services. Focusing on technological innovation has made due contributions to the development of my country's steel-structure housing system.