... etc(Function:Lace cutting,hole making,embossing) Ultrasonic lace machine Basic components1. New type PC intellectual ultrasonic generator; 2 ... materials and thicknesses;3. The performance of the machine reaches international level with automatic frequency tracking system ... leather and fabric, nonwoven fabric, spun-bonded cotton, thermoplastic film, chemical plastic piece. such as nylon, polyster, ABC, ...