The product, with annular corrugated outer wall and smooth inner wall, is one-time extruded by double wall corrugated pipe production line through molding technology. It has excellent performance, but the cost is relatively economical, and so it has been widely popularized and applied in developed countries in Europe and America. It is an ideal substitute for traditional drainage and sewer pipes.

Advantage:

Variert specifcation:
      Diameter: dn200 ~ dn800mm. Pipe joints should use socket-type interface connected by elastic sealed rubber ring.

Scope of application:
      I. Municipal drainage, drain contamination system project; 
      II. underground buried drainage, drain contamination in buildings; 
      III. highway buried pipes, golf course underground water seepage pipe network; 
      IV.  irrigation, water delivery, drain fooded felds and other farmland water conservancy projects; 
      V. fuid transport and ventilation in chemical industry and mine; 
      VI. rainwater collecting system; 
      VII. protective sleeve and communication cable sheath pipe of underground pipeline, etc.