This machine consists of in feeding conveyor belt and guide plate, rank products, Cardboard feeding consists of cardboard storage conveyor belt and rising conveyor belt, put the cardboard below the products; grouping-the product is divided into a certain number of combinations, equipped with intermittent grouping device: Tray moulding-the flat cardboard which has been cut in advance will be folded into edge around the product, wrapping- decoil  and shear the film, wrap to the products; heat shrinking-heated by the hot air tunnel and heat shrink products, the heating time is 5-8s. At the beginning of the equipment design consider the needs of customers in the future.