... cold processing.(2)ultrasonic quilting machine of mattress bed cover Product Features1.Short welding time,ultrasonic automatic ... and stable.(3)ultrasonic quilting machine of mattress bed cover Technical parameterModel NK-JM2012Frequency 15KHZ,Output power 12KWDimension ... shoes, clothing coat, children jacket, pillow, quilt, mattress bed cover, cushion pillow, table mats table cloth, curtain shower ...