Features: production: for low foaming pvc wood characteristics, with a special the ultrashort type screw barrel screw structure, to ensure a high fill, large particles yield low energy consumption: reduce the heater power saving rate of 20% in the two sections, power saving is to increase profits long life: as a result of a special short screw structure, making the working life of the screw has increased considerably technical configuration: barrel screw material: 38crmoala quality nitride steel, double alloy processing the ultrashort the screw structure design, to ensure that the wood flour filled higher to ensure full material mixing, good plasticization spiralinders 2 section is provided only heating, wherein the second section cooling fan high strength hardened reducer, smooth transmission, low noise.