Changsha Ruth Intelligent Technology Co., Ltd. was established in early 2007 with a registered capital of 1 million, is located in the beautiful Star City Changsha. Changsha region, mainly to small and medium enterprises and individuals to provide multi-purpose conference room systems and smart home, Kara OK system, conference room audio, home theater entertainment system build service, is a set design, technology, products, models and services in one of the Professional audio body. In audio and video system solutions experts as advertised, after a few years of rapid development, has become a famous brand in Hunan intelligent audio-visual industry.