The purpose of a brine injection machine is to effectively pickle all types of bone-in or boneless meat, such as pork, beef, and poultry, by injecting a mixture of saltwater, starch, soybean protein, and other additives. This machine is commonly used in the food processing industry for beef, pork, duck breast, roast meat, ham, and other meat products. By injecting the meat with this mixture, it enhances the nutritional value, taste, and freshness of the meat.