Use preservative film for packing foods, fruits, etc to extend the period of valid date. Features: Use films for packing foods, fruits, etc. This machine is easy to operate, and high efficiency. The machine can keep food in fresh and from water evaporation. It also keeps the food out of odor in cold product. It helps extend the period of valid date, suitable cold product and improving the product rank of stocking. It is a very good packaging machine for supermarket and fast food industry.