Product Details : We succeed in researching the large caliber hollow wall twine pipes production lines on the foundation of abundantly absorbing and digesting European technology. We acquire many items of national patents. The product bases on high density PE as main material. The rectangle pipe are extruded by first extruder and then enter into the twine form machine. At the same time, the second extruder spray the rubber strips and then squeeze to reunite it. it is outside wall is neat and smooth. Specification is diameter 400-2000mm, according to different usage term. The hardness degree of ring is divided into four grades and max can reach 16kn m2. It is suitable for sou alkali liquid below 10 percent. This kind of pipes have many extremely excellent characteristics, such as, corrosion resistant light, easy to fix, long life time(50 years), etc. It can substitute the pipes made of high energy consumption material (cement, cast iron, porcelain and ceramics, etc). It is widely used for sewer in super high way, municipal construction, flats, athletic field, square, mine agriculture, and bridges, etc.
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