... Hall,Office buildings, Garage,Hanger,Agricultral storage,Logistic centers,and all kinds of steel materials.,etc.Specifications:Main Steel: Q345B ... anything you needed.Detailed specifications:1. The main frame (columns and beams) is made of welded H-style steel or hot ... foundation by pre-embedding anchor bolt.3. The beams and columns, beams and beams are connected with high strength bolts.4. The ...