three layer sheet extruder can making the PP,PS,PE,HIPS. USE:ZHP-670S three layer plastic sheet extruding machine was designed and make by absorbing & digesting advanced technology at home and abroad.It is mainly used to produce plastic sheet of PP,PS,PE,HIPS,they are the materials for making beverage mugs,ice-cream cup,jelly cup,and other packing containers. STRUCTURE CHARACTERISTICS: 1.Good ...