As a compact, easily transportable product, liquid nitrogen has been used in a range of industries and applications for many years. Its beneficial uses include cryogenics, backup nitrogen, shrink-welding of machinery, various cooling applications, sample preservation, beer production, and many food storage, preservation, and preparation methods.  Especially popular in the food industry, its use has dated all the way back to the late 1800’s. In more modern times, liquid nitrogen’s rapid chilling had made it extremely beneficial. Liquid nitrogen can be used in food package indutry . Lqiuid nitrogen dosing system dose it in PET bottle or aluminum can to strengthen light weight packaging for non-carbonated beverages like  mineral water in PET bottle,  fruit juice in aluminum can   Liquid nitrogen dose in Aluminum can  Extend shelf life by displacing oxygen in headspace. Both hot and cold filling packages with accurate pressure achieved.