Pass the continuous glass fiber twistless roving, glass fiber continuous mat, surface veil and other reinforcing materials impregnated with resin through moulds and let them be heated and solidified. Then endless FRP section bars can be draw by the mechanism. The most remarkable features of FRP section bars are:Light Weight, High Robustness, Antierosion, Insulating and Nice Appearance.the pultruded gratings are highly designable, va-rious FRP products could be made by different assembled and be widely used in different fields, such as pultruded gratings, FRP rail system, la-dders etc.