Steel structure(rigid steel frame structure,light steel structure,famous steel structures) Standard: AISI, ASTM, BS, DIN, GB, Steel structure(rigid steel frame structure,light steel structure,famous steel structures)Quick DetailsStandard: AISI, ASTM, BS, DIN, GB, JISGrade: as customer's requestDimensions: Q235,Q345Place of Origin: Jiangsu China (Mainland)Brand Name: NineHoopModel Number: NHSType: ...