corrugated pipe line corrugated pipe plant corrugated pipe extruder corrugated pipe machine corrugated pipe extrusion corrugated pipe machines corrugated pipe machinery corrugated pipe equipment corrugated pipe extrusion line corrugated pipe making machine pipe extruder pipe extruder manufacturer from china Features of Line -High performance twin screw extruder with special screw ensure good extrusion -Special structure die make the thickness of the interior and exterior wall even, and stable molding. In addition, the thickness of interior and exterior can be adjusted. -High performance shuttle corrugators ensure the pipe of good quality and high efficiency -With special and accurate forming module; cooling air and water system guarantee the production speed fast. -Withdouble wall belling online system -With special aluminum alloy mould block with anti-adhering treatment, cooling air, cooling water and vacuum channel inside of mould block ensure good forming structure of pipe and speed. Introduction of Pipe -Compared with metal, ceramic, concrete and other pipes, double wall corrugated pipe has many advantage such as lower weight, lower cost, easy to connect, due to the special structure of double wall corrugated pipe. So it is used widely for sewerage and drainage system, cable protection system, etc. double wall corrugated pipe machinery, double wall corrugated pipe production line