... x 200mm Thickness: 2.0mm~4.0mm Steel Grating Mesh :Materials: galvanized black annealed and hot dipped galvanizedFeatures ... gives the productexcellent anti-corrosion resistance. Applications:Steel mesh grating is widely used in the platform, corridor, ... bridge,well covers, stairs, fencing for petroleum, chemical, power plant,waste treatment plant, civil engineering projects and environmental projects ...