Recently, the website of State Intellectual Property Office has announced the results of the 19th China Patent Award. The patent of "Production Methods of Piezoelectric Ceramic Spherical Shell" invented by Hai Sheng Technology of CSIC has won the China Patent Excellence Award.

　　The China Patent Award is the highest level of government award in China's patent field, and the patent of “Production Methods of Piezoelectric Ceramic Spherical Shell” is the first one in this field in China. It can be applied to underwater acoustic field, ultrasound, medical treatment, communication and other fields. (Correspondent: Hai Xuan)