HL is a national steel structure manufacturer with Grade First Qualification of Engineering. HL has obtained the ISO9001 Quality System Authentication. HL is a professional steel structure manufacturer in Liaoning Province. The steel structure factory building is the building whose load-bearing mainly consist of steels including steel column,rigid frame, steel beam, structure foundation, steel roof truss, structural steel ,steel canopy and etc. There are light-duty steel structure factory building and heavy-duty steel structure factory building. Product Featuresï¼? 1. Light weight, high strength and large span. 2. Shorter construction period, reducing the investment cost. 3. Better fire resistance and corrosion resistance. 4. Convenient movement and pollution-free recycle.z