... :Ultrasonic system composition, by ultrasonic generator, converter, a combination of mouldFrequency: 20KHz, 15KHz.Output power: 1000W~3200WDimention: 385mm*525mm* ... Layers BagMaking Machines, Plastic Bag Making Machine, Bag Making Machine of Paste Bone, Stationery, Plastic Welding Machine, Machinery, Automation Equipment, ... products,Mask, Paper Cup, etc. Continuous Ultrasonic Non-woven Sealing System