... , Side bags, side-band welding, Sideband Cutting, Full auto XL10I mask inner ear band welding machine Dimension: 2300(L ... :This is a principle of the use of ultrasound to make cloth, leather, plastics, non-woven fabrics, acrylic adhesive surface of the device, When ... the mask to move to the location of processing, ultrasonic auto-generated, In the ...