DZ-520 packing machine with a large vacuum chamber. Vacuum pump rate is very high at 20m3/h with a sealing power of 600W. Long sealing length of 520mm (52cm). Material of the vacuum chamber is stainless steel 201, making it a standard packing machine for food and other processing industries. It has a large suction pump for better suction. Can package all kinds of products at the same time. Can seal dry, wet, oil and powder.