Winding film and other active screen disposal equipment (such as health equipment, recycling equipment, boring equipment and developer) online operation, winding film from the side of the version is more convenient. It is particularly important that winding film packaging makes packaging items uniform force, does not occupy the space of the unit, especially in the tobacco industry and textile industry has a common packaging role. By virtue of the film's strong wrapping force and retraction, the product is compact and wound film can adhere to the viscosity of the suitable temperature range from cold to hot. Winding film it uses a class of goods (such as cotton, wool, knitwear, etc.) compressibility, the first pressure on the goods, so that the volume is reduced, and then the release of goods, and together stretching winding film wrapped around tight goods, heat sealing, plugging technology tight film.