... ; One layer line/curve cutting,forming;two layers sealing,cuttin ultrasonic sewing nonwoven shopping bags Output power : 2000WPower Input : 200V/50HzOutput frequency : 20KHzWorking temperature :0 ... mask, packing ribbon,Christmas ornament, flowersformed animals.Features:1. Use ultrasonic energy to cut, weld, seal seam, hole, emboss, stitch, slit ...