... *400MMFeatures and Function of Ultrasonic Metal Welding Machine:America ultrasonic technical, microprocessor control ... .Work Characteristic of Ultrasonic Metal Welding Machine:High strength fusingAlmost cold state ... welding including copper, aluminium, tin, nickel, gold, silver, molybdenum, stainless steel in sheets, sticks, wires, pieces and so on.Finished welding samples: Ultrasonic metal welding ...