WL-PC super-width ultrasonic lace machine/lace machine/ultrasonic machine characteristics 1 strong ultrasonic power, the ... tracking system and ultrasonic soft-starting technology application caseapplied to lace garment, skirt, sports wear, bra, night gown, hair ... protective coat and craft decorations, etc.Material suitable for ultrasonic lace machinea. all kinds of chemical fiberb. all kinds of ...