1. This sheet extruder makes PP sheet and PS sheet. The finished sheet are used for plastic products like drinking cups, disposable cups, ice-cream cups, yogurt cups, trays, dishes, lids, plastic containers, plastic boxes and other plastic products. 2. Sheet extruder is composed of 6 parts, there are extruder part, filter part, Die- head part, three rollers part, and traction part, rewinding part.