... 3. To be automatic after frequency system and the ultrasonic soft start technology ofapplication, make the machine performance to the ... kinds of chemical fiber cloth, all kinds of leather, non-woven fabrics, spray adhesive cotton, thermoplastic thin films, chemical pieces of plastic, etc ... , pillowcase, bedding bag, tents, raincoat, disposable surgical garment cap, non-woven mask, nonwoven, etc