Guangzhou Chuanteng Electronic Technology Co., Ltd is a new enterprise specialized in designing, researching, producing, and selling high-quality vibration loudhailer. With highly spirit, Chuanteng Corporation has obtained a national patent technology, namely preaching vibration multidimensional sound, which is the core technology of our company. Technology of preaching vibration multidimensional sound can drive syntonic voice, taking desktop, glass, metal surface, and stone as voice medium, but also penetrate medium, and all sound inside and outside medium. The preaching vibration multidimensional sound makes up for the tone defects of other similar products and the unique materials can also reduce its cost. All is to spread the perfect sound to the public.