The glass fiber pipe is widely used in survey instrument rod. It is insulation. The fiberglass tube is painted with good surface. Glass fiber pipes are widely used in tents, advertising support, golf clubs, doors, building materials, PCB equipment and other industries. They are with light weight, without deformation, corrosion resistance, good wayward, high strength, excellent electrical insulation. They can replace part of the iron pipes, steel pipes, aluminum pipes, PVC pipes, rods, and other properties.