Performance and Features Configuration polyolefin exclusive single-screw extruder, extruder with rapid and efficient features such as plastics. Separation of polyolefin-professional mixing screw. Specially designed three coextrusion die, a reasonable flow, pipe outside wall smooth internal stress. range 20mm-160mm production, the production rate as high as 16 folds. One machine multipurpose, may produce the HDPE silicon core tube, the PPR tube, the PE tube, the PEX tubing and so on. Antibacterial nano-tube low cost : only increase by 5% to 10% over the cost of an ordinary pipe.