We are shanghai project specializing in the manufacture and export of Piezoelectric ceramics for more than 10 years. We have profuse designs with series quality grade, and expressly, our price is very competitive because we have manufactories, We can suppply PZT4D13, PZT5A18, PZT5H32 PZT8 materials, the products including discs, rings, hemispheres, tubes. We also supply BGO, LYSO PMN-PT crystals.