GB/T 23639-2009 "Energy-saving and corrosion-resistant steel cable tray" stipulates the technical requirements of energy-saving and corrosion-resistant steel cable tray. The standard covers the material, structure, energy-saving performance and corrosion-resistant performance indicators of the bridge, and clarifies the Appearance mass, manufacturing process, inspection rules and signs, Encasement, transportation and storage requirements. It provides a unified standard for the production, mass control and acceptance of energy-saving and corrosion-resistant steel cable tray, and helps to improve the performance and life of the bridge.