Steel Grating The steel grating is arranged regularly by load flat steel and crossbar in the pattern of longitude and latitude, welded and connected on the cogas protective welder. Characteristics: highly strong, light in structure: firm grid welding makes it capable in loading, light in structure, and convenient for hoisting; handsome in exterior, lasting and endurable; hot dipped zinc galvanized treatment makes it rather corrosion resistant, and its surface is lustrous and beautiful; the ventilation, the lighting, the heat radiation, the explosion resistance and anti-slipperiness all function well; sewage preventive |