... adjusted according to different thickness material.5.A general worker could operate the machine owes to the convenient and ... and coated papers.2,The suitable product of ultrasonic lace sewing machineLace of garments, mattress cover, Pillowcase/Pillow Slip, ... 3,Features and Functions of the ultrasonic lace sewing machine1. Ultrasonic lace sewing machine used ultrasonic vibration and steel moulds, the ...