... .Reutilization&long life. 4.Nice facade,easy to maintenance. SpecificationsHigh rise steel structure building 1) Precision welding 2)Heat insulation 3 ... )Quick construction speed 4)Energy SavedHigh rise steel structure buildingMaterials: 1. The main frame (columns and beams ... with material of PVC, metal, alloy aluminium, sandwich panel High Rise Steel Structure Building