... ,Weifang city,Shandong,ChinaEmployee690R&D Staff40Main ProductSteel Structure,Space Frame,Prefabricated House,Steel TowerProduction Lines9 production lines of light ... shearing machine, Hydraulic sheet metal blending machine, Gantry submerged arc welding machine, Corrugated sheet molding machine, Shot blasting machine, Punching machine,Drilling Machine, Forging machine, H-section assembly machine, ...