... edge, Welding,cutting,lace embossing,bronzing,binding,etc, ultrasonic lace sewing machine 1. Features:1) Adopt the Japan piezoelectricity CMOs chip, ... wheel,the welding head is wearable ,long using life.3) The lace mould is convient to load and unload, ... Function Welding,cutting,lace embossing,bronzing,binding,itemizing and etc. 3. Apply to: packing material,telephone sets,knitted products,sportwear, ...