A Nitrogen Filling Machine is a device used to fill packages or containers with nitrogen gas to displace oxygen and extend the shelf life of the product. Nitrogen is an inert gas that helps prevent spoilage, oxidation, and growth of microorganisms, making it ideal for preserving the quality and freshness of various products. These machines work by displacing the oxygen inside the package or container with nitrogen gas. Nitrogen Filling Machine can be used with various types of packaging, including bags, pouches, cans, bottles, and containers made of materials such as plastic, glass, or metal.