... Good seismic resistance 3) easy to install metal space frame 1.Company IntroductionCompany Name Shandong Hongyue Group(three ... ,Weifang city,Shandong,ChinaEmployee360R&D Staff26Main ProductSteel Structure,Space Frame,Prefabricated House,Steel TowerProduction Lines9 production lines ... of light steel,heavy steel,space frame and tube truss. 5 production lines of ...