... Dia.54mm -110mm 3.Amplitude ratio: titanium mould for ultrasonic welding machineGr1,Gr2,Gr3,Gr4, 1.Frequency coverage15KHz-100KHz 2 ... Guassian and other composite structrue8. Application:Chemical, Petroleum, Plastic Welding, Metal welding, Drilling, Turning, Cleaning, Machining9. Service:a. Customers can ... on timec. We promise we'll replace the materials for the same at our costd. Test:Provide Bao Ti ...