... for platform, trench cover, etc Weighing up to 80% less than steel and concrete, FRP grid offers ... : pedestrian walk, bridge plate, industrial floor, platform, trench cover, tray, guard rail, fence, shelf, isolation belt, ... FRP work platform, FRP tool handle, FRP handrail, FRP ladder, FRP window, FRP fence, etc. Yalong factory plan viewGoods packing: pultruded fiberglass grids for platform, trench cover ...