DZ 500-2SB Double-Chamber Vacuum Packaging Machine Double Chamber Vacuum Packaging Machines are durable and high on performance for their long lasting and offer long lasting service. These products are manufactured in strict compliance with industry norms, and used by a wide clientele. These are made in various specifications based on the requirement of the client. Used in Food, pharmaceutical, aquatic, chemical and electronic industries DZQ-2SB fills the packaging bag with some kind of gas, such as nitrogen, after vacuuming the bag. It is featured by automatic processing of vacuuming, gas filling, sealing, printing, cooling, which is used in vacuum packaging for the food , pharmaceutical, aquatic, chemical and electronic industries.