... South Nekon ultrasonic quilter for mattress/napkin/table cloth/bedcover: Model NK-JM2012 Frequency 15KHZ Output power 12KW ... fully automatic ultrasonic quilter for mattress/napkin/table cloth/bedcover (1),The principle of operation Using high-frequency ... footwear shoes, clothing coat, children jacket, pillow, quilt, mattress bed cover, cushion pillow, table mats table cloth, curtain shower curtain ...