Configuration polyolefin exclusive single-screw extruder, extruder with rapid and efficient features such as. Separation of polyolefin-professional extrusion screw. Specially designed three coextrusion die, a reasonable flow, pipe outside wall smooth internal stress. Production scope º¦20-ºµ 160mm ppr pipe, the production rate as high as 16m/min. One production line, can product hdpe silicon core pipe, the ppr pipe, pe pipe, pex pipe. Antibacterial nano-tube low cost : only increase by 5% to 10% over the cost of an ordinary pipe. Wooden box