... -JM2012 Frequency 15KHZ Output power 12KW ultrasonic mattress quilting machine of Nekon(1),The principle of operationUsing ... footwear shoes, clothing coat, children jacket, pillow, quilt, mattress bed cover, cushion pillow, table mats table cloth, ... professional ultrasonic machine manufacturer, perception of the South Nekon superior quality and service. ultrasonic mattress quilting machine of Nekon