Inquiry (采购产品): piezo ceramic transducer I need a transducer which can be used for lihgt level welding application I have got a ujtrasonic generator which can be adjustable from 20 khz to 40 khz but ideal value for our application is between 28 to 31 khz if you send me more info I be glad please reply as soon as possible. best regards ilhan TOKTAY **** Hidden Message ***** ilhan toktay 34200 Company: ozgen tekstile E-mail: ilhand@hotmail.com **** Hidden Message ***** ilhand@hotmail.com