... extrusion production line( PVC, PET , PP,PE,PS,ABS) One.Introduction The plastic sheet or board extrusion production line is mainly used ... to make PVC, PET ,PE, PS ,ABSand others plastic sheet or board. TWO. composition It is made up of ... directional regulating oil pressure wheels. 5. three roll calender adopt level type assembly, verical type assembly or incline type assembly. The ...