Shenzhen Hope Medical Biotechnology Co., Ltd. Is a national key enterprise focusing on R & D, production, sales, training and service of high-end intelligent electronic larynx (speaker aid); Hope that the medical industry has a professional technical team, with a number of domestic well-known colleges and universities and a number of national top three hospitals to carry out cooperative research and development of intelligent electronic larynx (speaker) to become the leader of the domestic intelligent electronic larynx (speaker) industry. And in Shenzhen headquarters set up electronic throat (speaker) research and development base, formed the company's perfect technical system.