Company info
- a state-owned capital joint stock system company，one of the sub-companies of GCI Group. Founded in 1970s as a department of the National 7th Institute, we have become the top leading China manufacture of Piezo ceramic(PZT material system) acoustic components, including tweeters, piezo speakers, piezo buzzers and piezo ceramic diaphragms which are widely used in multimedia, electronics, home appliances, security products and telecommunication...