1.The extrusion sheet machine mainly used to produce PP,HIPS, GPPS,PE sheet and other packing materials. 2.Big ratio of length and diameter for the screw of the extruder. 3.Good forming effect, equal thickness of sheet and same running speed. 4.Advanced hydraulic pressure high speed net changing fittings without stopping the machine. 5.Convenient operation and excellent function improve production efficiency. 6.Worm wheel to adjust the pressing roller, convenient operation and high adjusting precision. 7.Brighter pressing roller surface than mirror, equal temperature of roller surface make clean, bright and homogeneous sheet.