... 1-7barWelding area200mm250mm280mm200mm250mm280mm300mm320mmSize 2250*850*800Net weight110kg125kg135kg101kg125kg135kg340kg350kgApplication fields:(ultrasonic plastic seam welder high efficiency) Widely used in the automotive industry, electronic ... , oral liquid bottle, drip caps, mobile phone accessories, gold soft brush, daily necessities, health supplies, children's products, air mattresses, clothes ...