Vacuum packaging technology originated in the 1940s, with people's living standards continue to improve, the demand for a variety of convenience foods also increased greatly, vacuum packaging pull film machine is one of the faster developing packaging machinery, has a broad development prospects! Especially in the last year or two, with the rise of modern high technology, vacuum science and technology has also been rapidly developed, and its application has spread throughout various economic fields. In the food industry, the application of vacuum packaging is very common, a variety of cooked products such as chicken legs, ham, sausages, beef jerky, etc.; pickled products such as a variety of pickles and soy products, dried fruit, etc., a variety of food products need to be kept fresh more and more use the vacuum belt for vacuum packaging. As one of the important transmission parts of the vacuum packaging machine, the vacuum belt has also been more widely used!














