USB Camera Module Piezoelectric Ceramic  General Infomration  PZT Composite  Disk Type  Plate Type  Cylinders / Rod Type  Tube Type  Ring Type  Ball / Hemisphere / Focal Bowl Type Cable Video Converter Cable Products > Piezoelectric Ceramic > Ring Type Piezo Ring Type 01 Piezo Ring Type 02 Piezo Ring Type 03 Piezo Ring Type 04 Piezo Ring Type 05 Piezo Ring Type 06 Piezo Ring Type 07 Piezo Ring Type 08 Piezo Ring Type 09 Piezo Ring Type 10