Welding h-beam structure system

Construction steel structure with materials, light weight, high strength, good antiseismic and production factory and shorter construction period and recycling, etc. The 21st century Chinese construction steel structure is sunshine industrial group, dalian heymann, grasping historical opportunity to reality, earlier in the market for big span steel structure and installation, and even the whole country in dalian, effectively promote the domestic steel structure, the development of the market.