1,Certification:CE 2,Process:PVC, PET, PE,PP,ABS sheet plastic sheet extrusion production line( PVC, PET , PP,PE,PS,ABS) One ... .Introduction The plastic sheet or board extrusion production line is mainly used to make ... others plastic sheet or board. TWO. composition It is made up of screw extruder, mould , three- roll calender , colling suporting frame, tractor ,cutting ...