●RYJ-SP Series Plastic Sheet Extruding Machine is developed by the market demand. It is mainly applied to produce PP, PE, PS, HIPS sheet etc. ●The screw of the extruding machine uses big ratio of length and diameter. It has good forming effect, even sheet thickness and same running speed. ●This machine includes screw extruder, 3-roller calandar, traction rewinder. ●Three rollers controlled by three motors separately. ●Bright surface of the pressing roller and even temperature of its surface to make sure that the sheet is clean and the thickness is equal.