SB-670D multi-layer co-extruded plastic sheet machine is my factory unit on a single sheet absorption, digestion and the design and manufacture of advanced technology at home and abroad. It only applies to the production of multi-layer polypropylene (PP), polyethylene (PE), polystyrene (PS) and other plastic sheet material, suitable for making beverage cups, ice cream cups, yogurt cups, packing boxes and other packaging containers.