Specifications: 1)Length of seal:650mm 2)Height of shelf: 600mm 3)Diameter of shelf :420mm: 4)Performance efficiency:1-2 times/minute 5)Vacuum pump:double pump XD-020 6)Total weight:150kg 7)Total power:2.5kw 8)Applications: a)Large package b)Jujube c)Electronic products d)Pine nuts e)Food that needs protection from oxidization The model used for vacuum packaging, vacuum chamber volume of large, stand bag seal forms, open type mode of operation, suitable for large packaging vacuum packaging, such as: large packaged food products, electronic products, industrial products, anti-oxygen.