Specification :

In the development of society, as the higher demanding of food packaging demanding. The nitrogen gas packaging is rapidly replacing the traditional air packaging or vacuum-packed. Because the nitrogen gas in the effectiveness of its owm: 1,Nitrogen gas as the inert gas ,can be isolated from the oxygen required for microbial reproduction environment , greatly extend the shelf life of food. 2, Nitrogen gas can reduce the occurrence of food and oxygen for the oxidation leading to food deterioration. 3,To prevent food from being crushed by external pressure, maintain the appearance of food.