Steel framework light steel structure for warehouse 1,fast construction 2,economical 3,galvanized steel 4,best price Steel framework light steel structure for warehouse 1, Certificate: ISO9001:90022, Primary steel: International standard: Fe360BChinese standard: Q235B/Q345BEuropean standard: A37-2Japanese standard: SAPH38(G3133-87)American standard: A283GRC3,The structure can be designed ...