... dairy food packing cases, bag belts, zippers;5. Fishing gear : imitated plastic hard fishing baits ... have earned the certification of ISO9001 and CE. Parameters TypeKCH-1520KCH-2020KCH-2615Frenquency20KHz15KHzWattage1500W2000W2600WSize410mm*630mm ... and costs (no adhesives, screws, connective bolts).5. Appearance : The joints are repeatable, clean ... of china. 20KHz CE Certificate Ultrasonic Plastic Welder