Ultrasonic Mould (Horn,Sonotrode) Frequency coverage 15KHz~40KHz Material:Steel, aluminum,titanium Special design,any size Main characteristic: ... 40KHz ratings in Rectangular and Round shape.2. Material: steel, aluminum, titanium3. High precision Ultrasonic welding horn(mould,Sonotrode) with ... ://xmjinrong.en.alibaba.com/Post Code: 361006 JINRONG FACTORY High quality Ultrasonic Plastic Welding Mould