... case of pressure,make the material surface to frication from each other and urge the fusion between the ... smooth and stable.(3)ultrasonic quilting machine of mattress bed cover Technical parameterModel NK-JM2012Frequency 15KHZ,Output power 12KWDimension ... footwear shoes, clothing coat, children jacket, pillow, quilt, mattress bed cover, cushion pillow, table mats table cloth, curtain shower curtain, ...