... double-stage series high foam technology PS Foam Sheet Extruder(HY-75/90): First Screw:General Polystyrene ... Hauling off and winding part:1.PS foam sheet machine adopts Gentian type double-stage series high ... off, it is winding to finished ps foam sheet rolls.4.After vacuum forming system, the finished ... vessals such as fast food box, aquatic plate,super market tray, cake tray, KT board, instant noodle ...