... film, Sideband feeding,cut the elastic short,/welding, Side bags, side-band welding, Sideband Cutting, Full automation.Equipment Specifications:1 ... , Adjustable ultrasonic welding, Stack count function, collecting, testing fastDesign: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 ...