... , DIN, GB, Steel structure(rigid steel frame structure,light steel structure,famous steel structures)Quick DetailsStandard: AISI, ASTM ... service 5) all sizes1) prefabricated and customized design2) light weight, high strength, large span3) short construction time, ... , high corrosion protection performance5) easy to move and recycle, none environment pollution6) Widely using occasions7) flexible layout ...