Product Features: 
 High density polyethylene pipe to the main raw material, the first rectangular pipe extruder extrusion molding machine to enter the wound, while the second extruder spray the rubber strips, extruded composite made. Its inner and outer wall smooth, specifications of 200-2500mm, depending on the conditions of use, the ring stiffness is divided into four levels, the maximum to reach 16KN/m2, can be adapted to alkali liquid below 10%. This kind of pipes 
 Corrosion resistance, light weight, easy to install, high-pass flow, long life (50 years), etc., and can replace the high-energy materials (cement, cast iron, ceramic, etc.) to the production of pipe, widely used in highway, municipal construction, residential district, playgrounds, squares, mining, agriculture, culverts, bridges and other areas of the drainage outfall Road. 
 Production Products Specifications (mm): 
 Of DN200-3000, two grades of each of the above specifications carved ring of steel S1 4KN/m2 S2 8KN/m2.