... 2.seal size:500/600*10mm Automatic Vacuum Packing Machine Characters: The Automatic Vacuum Packing Machine is made of stainless steel, not ... only can pack food, fruit,vegetable,medicine, but also silver jewelry, antiques etc.By vacuum ... that extending the shelf life. It can finish vacuum-pumping, sealing, cooling one-time. Parameters:ModelVoltageSpeedChamber ...