Production Line Application and Feature: This series machine is composite o�vibrating sieve, high speed mixer, cooling machine, plastic feeder, conical twin screw extruder(or single screw extruder), machine head, forming machine(for double wall corrugation pipe or single wall corrugation pipe), plastic pipe belling machine, stacker, water-cooling machine, air compressor etc which is mainly used to produce PVC, PE plastic double-wall and single-wall corrugation pipe.