ABOUT
ABOUT ZHONGDE
Founded in 1997, Shenzhen Zhongde Audio-Technical Co., Ltd. specializes in advanced hearing aid R&D, leveraging AI, 2.4G wireless technology, and speech algorithms under the leadership of audiology expert Huang Zhengdong. Its multi-brand portfolio—including ZHONGDE, RIYIN (trademarked in the US/EU), YUNSHENG, TINGSHI, and TINGBAI—delivers innovative and accessible hearing solutions worldwide.