Hoin Electronics Pte. Ltd. is a Taiwanese owned company, located in Shiwan Town, Boluo County, Huizhou City, Guangdong Province. Hoin specializes in the manufacture of speaker diaphragms. We have been in the speaker market for over 30 years, and we have received good reputations from our customers. In order to satisfy international customer's demands for waterproof acoustic products, a new brand name of KAIQIN has been established. KAIQIN is a brand name formed under Hoin. Our business ...