... lace machine, ultrasonic sewing machine, ultrasonic embossing machine, ultrasonic embroidery machine, ultrasonic trimming machine, ultrasonic compound machine, ultrasonic stitching machine, ultrasonic heat sealing machine, ultrasonic Velcro splitting machine, ultrasonic ... ’t hurt the edge of the fabric, also without the loose edge and hemming.3. No need pre-heating and can ...