Since the beginning of the 21st century, for requirement on food packaging method is much higher than it ever been, manufacturers have made great investment in the manufacturing and development of vacuum packaging machines. Food packaging now is diversified and multi-functional meeting the different levels of consumption needs; With the progress of science and technology, food packaging is tending to be perfect in fresh-keeping.
Vacuum packaging machine can prevent food from deterioration. Because food molding is mainly caused by the active microorganism, while most of the subsistence of microorganisms need oxygen, thus vacuum packing food with oxygen vacuumed, thus sabotage the microbial subsistence environment.