Form fill seal machines are automated machines that produce and fill form fill seal bags. Flow wrappers are flexible packaging formed from a flat tube that is sealed at the bottom to form a bag. Form fill and seal machines are usually widely used in the packaging industry and are used to package a variety of products, such as food, cosmetics, chemicals and pharmaceutical products. These machines can produce various types of form-fill-seal bags, including flat bags, three-side sealed bags and stand-up bags. They usually operate at a high speed and can produce large quantities of bags in a short time. Some form fill and seal machines can also perform special functions such as dosing, filling and sealing bags automatically.