The FRP grating has many advantages, such as lightweight, high strength, solid, non-slip, corrosion resistance, flam resistance, impact resistance, aging resistance, weather resistance, easy to cut and install, long life time, maintenance-free and so on. Then it is widely used in petroleum, chemical, nuclear power plants, power plants, electroplating, paper making, brewing industry, pharmaceutical, food processing, metallurgy, transportation, wastewater treatment, marine exploration and other sectors of the working platform, equipment platform, human walkways, stair treads, trench cover, fence, shelf, bridge plate, filter plate, filler bracket and others.