... at customers’ option. Generally heat sealing comes with single sealer, double sealers heat sealing can be chose ... to 700-1000mm if customers need(vacuum packaging machine,vacuum sealing machine,vacuum machine,packaging machine,packing machine)Technical ... system: Taiwan AirTAK pneumatic component3.External vacuum suction structure: Two cylinders, two suction nozzles.4.Lift-down conveyor, easy ...