... high foam technology. The raw material is general polystyrene granule. In the extruding process, vesicant is injected at high pressure. After ... 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 for food ,fruit ,advertising industrial products and so on . This ...