... Nekon fully automatic ultrasonic quilter for mattress/napkin/table cloth/bedcover(1),The principle of operationUsing high-frequency vibration wave ... high speed,energy conservation,high fusion, good conductivity, no spark, close to the cold processing.(2),Product ... , pillow, quilt, mattress bed cover, cushion pillow, table mats table cloth, curtain shower curtain, cold gloves, baby mat moisture ...