... High sound pressure 4,MOQ;1000pieces High quality Piezoelectric Ceramic For Ultrasonic Equipments Main feature of Piezo Ceramic ... (Piezoceramics element; Piezo diaphragm, piezo plate)1, For sound making:Clocks,Calculators,Telephones,Washing machines,Various(Burglar ... alarms,etc);2, For transduction: Embryo monitor,Heart reflectoscope reflector,pedometer, ...