Yutung FRP grating, GRP grating Yutung grating uses high strength fiberglass roving as reinforcing material, together with unsaturated polyester resin. They are widely used in the power generation, sewage treatment, oil refining and oceanographic survey fields as work floors, stair treads, and trench covers for loading frames. Resin System and Type: Mold resin system for … Continue reading GRP Grating