... can making the PP,PS,PE,HIPS. USE:ZHP-670S three layer plastic sheet extruding machine was designed and make by absorbing ... efficiency;4.It is a more reasonable technics to adopt three-roller structure,it improve the quality of sheet;5.Adopt ... to be easy to adjust the linear speed of the three rollers and drive. TECHNIACAL SPECIFICATION: ModelZH-670SZH-1000SZH-1400SSheet Width ...