... 2,High cost-performance ratio SWMSZ Series:I. Advantages of the machines i. Paralell twin-screw extrusion machine designed according to ... and PP+wood pellets( (conveyer belt transportation and cutting as the first picture below) II. Technical parameters Machine TypeLength-diameter RatioRotational ... extrusion, injection, etc. PE+Wood Pelletizing Extrusion Lines,Reliable Service,Reasonable Price