Zibo Yuhai Electronic Ceramics Co., Ltd. (formerly Zibo Wireless Ceramics Factory), founded in 1966, is one of leading manufacturer of piezoelectric ceramic elements and is engaged in the research and development of piezoelectric ceramic elements.

One of the founders of research, development and production of Piezo components and sensors in China.
the member of China Standardization Committee on underwater piezoelectric ceramic materials and components, partifipated the piezoelectric ceramic elements standard setting.

a. In 1986, involved in the formulation of the CB1125~1128-86 ministerial standard for general technical conditions of piezoelectric ceramic materials for underwater acoustics.

b. In 1988, participated in the formulation of the "Measurement and Calculation Method of Performance Parameters of Underwater Acoustic Practical Piezoelectric Ceramic Components" CB1194-88 standard.

c. In 1993, participated the formulation of the CB1218-93 ministerial standard of commonly used piezoelectric ceramic components for underwater acoustics.

d. In 2004, Participated in the formulation of Dielectric Filters Part 1: General Specification SJIEC61337-1:2004, Dielectric Filters Part 2: Guidelines for UseSJIEC61337-2:2004 industry standard.

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