The steel structure construction building is a light building composed of steel columns, steel beams, supports, purlins, etc. All steel structure components are manufactured in the factory and delivered to the project site, fast installation, green building,and saving workforce. It can be widely used for warehouse, workshop, garage,garden storage shed, airpaort,office building,apartment,and all kinds of steel buildings, metal buildings, modular house, steel frame for other riveting and welding parts. etc. The sizes can be customized according to requirement.