Item name: Steel structure office building, prefabricated steel structure building, strong steel frame structure prefab building, multi-storey steel building. Quick detail: Chinese construction company builder and contractor, skyscraper, high-rise apartment blocks, architecture design, engineering consulting firm, structural steel high rise buildings, made of steel and glass, china fabricated. Grade: q235, q345 Products&service scope: design&engineering service, steel building, space frames, portable cabins, tubular steel structures, basic building elements(built-up welded h-section , hot-rolled h-section, channel, steel column, steel beam), standard frames, secondary framing, roof & wall materials, tempcon (sandwich) panels. And we offer bespoke design, construction and erection of specialist industrial steel buildings and steel frame agricultural buildings including full structural design and build covering all aspects of steelwork prefabrication. Engineering design software: pkpm, 3d3s, x-steel, etc.