new design PS  foam lunch container  production line   adopts Gentian type double-stage series high foam technology. The raw material is general polystyrene granule. In the extruding process, vesicant is injected at high pressure. After extruding , foaming, cooling, shaping and hauling off, it is winding to finished ps foam sheet rolls. After vacuum forming system, the finished PS foaming sheet can be made into variety of packaging vessals such as fast food box ,aquatic plate,supermarket tray ,cake tray , KT board ,instant noodle bowl ,foam tray etc. It is widely used in the packing of food ,fruit ,advertising ,industrial products and so on . This equipment adopts high speed hydraulic filter changer which has steady feature, can realize change the filter immediately without stopping the machine. The foaming shaping machine adopts PLC control, touch screen operation, easily to operate.