The ultrasonic generator, converter, booster and welding horn form a complete set of ultrasonic device, which is applied in continuous working or automatic production equipment. The design of I/O output wire interacts with production line, and the PLC or SCM of production line provides signals to control the ultrasonic rhythm, ultrasonic welding time and dwell time. Features: 1) Firm welding , high efficiency , water and air tight 2) Handsome in aspect, eco-friendly 3) Applicable industries: christmas tree machinery, zipper machinery, paper cup machinery, package bag machinery, nonwoven machinery, spring bed machinery