Paper Cup welding Horn(Mould,Sonotrode) Different size Any design... Supply Ultrasonic Welding Horn:1. Ultrasonic composite welding equipment2. The range of frequency: 15KHz~40KHz3. Material: steel, aluminum, titanium4. High precision Ultrasonic welding horn(mould,Sonotrode) with special design,any size,any frequency5. These Horns are manufactured in our own machine shop on CNC machines at ...