... 3.efficiency 10-20m/min 4.no needle Ultrasonic no needle Sewing Machine for chemical fiber Usage and features: The ... machine is easy operate, high production efficiency. It has higher production efficiency, stronger adhesion than other series, and has no needle ... ski clothing, bedding, bedspreads, sofa covers, mattresses, bed sheets, and many other industries Technical parameters: NameUltrasonic quilt ...