East China Investigation and Design Institute (referred to as the Eastern Hospital), China Hydropower Engineering Consulting Group Corporation under the Class A survey and design of large-scale comprehensive national research units, being built in Shanghai in 1954, is headquartered in Hangzhou, and Sichuan, Chongqing,Fujian and other places set up branches in Vietnam, Turkey, with foreign offices, the State Electricity Regulatory Commission dam Safety Supervision Center are also located in the Eastern Hospital. Eastern Hospital has more than 1,600 employees, with more than 500 national design masters and various professional and technical personnel, engineers and other mid-level professional and technical personnel more than 700 300 people, the primary professional and technical personnel, holding a national registration of various types of qualifications of more than 500 people. Has a group of academicians, doctoral research station and rock mechanics of high-end R & D center, Hua Donghai Offshore Wind Technology R & D Center, Zhejiang Province Pumped Storage Engineering Research Center, Engineering Software Research Center, a number of professional and technical R & D center. Eastern Hospital focus on using information to promote the modernization of technology and management, with power industry network, integrated computer applications (OA) system, three applications of computer network design and management and remote application platform, data sharing and remote management, and have both the ability of 3D design and virtual reality technology with digital engineering platform and a variety of engineering applications