... years 2.Certificate: CE 3.Various Roller designs Available Ultrasonic Quilting Machine:ParamterModel WSD-1550WSD-1850WSD-2300Layer (s)1-3 1-31 ... control panel function. ApplicationsMattress, multicover, bedcover, bed sheet, blanket, seat cushion, winter jacket, robes, polo cases, apron, sleeping bag, show jacket ...