... /curve cutting,forming;two layers sealing,cuttin ultrasonic sewing nonwoven shopping bags Output power : 2000WPower Input : 200V/50HzOutput frequency : ... Lace clothes, sport wear, doll, gloves,table cloth, Covers for chair, bed orpillow, coverlet, window curtain,non-woven mask ... No dissipated edge, wrinkle shrinkage.4.Can work continuously for mass production.can work curves; easy to change ...