... ultrasonic without needle and thread non woven shopping bag welding machine Output power : 2500WPower Input : 200V/50HzOutput frequency : 15KHzWorking temperature ... mould : 0-100 mmSize of machine ( L * W * H ) :1300 * 650 * 1500 mmWeight of machine : 140 KgDescription:Lace clothes, sport ... energy to cut, weld, seal seam, hole, emboss, stitch, slit, form. color fold.2.Need no traditional needle ...