Guangzhou Gao Rui Information Technology Co. Ltd. (GCIT), was founded in 2011 and its predecessor Ivey (AOAVOV) was founded in 2005. It focused on the research and development of hotel intelligent guestroom control system. After many years of practice, it has accumulated abundant technical force and the engineering experience. In 2011, in response to national calls for energy conservation and emissions reduction, Ivey recombined its assets of science and technology and established Gao Rui Technology (GCIT). Now it is devoted to the provision of building intelligent solutions which will help to realize the intelligent energy-saving service in the various application environments, such as hotels, households, offices, etc. In the course of developments from Ivey (AOAVOV) to Gao Rui Technology (GCIT), our team has successively provided systematic equipment and technical services for star hotels in South China, Central China, North China, Northwest China and many other areas. Over the years we have been praised by the end-users and has passed ISO9001 quality management system certification. In the future development of the enterprise, Gao Rui Technology will adhere to its faith that quality is the life of the enterprise and honesty is the root of management. We shall certainly carry forward our cause and forge ahead into the future. Taking innovations in science, technology and energy saving as our mission, with the goal of low consumption and energy saving, we shall exert our efforts to make contributions to a green earth.