Major investment stage (Optional for enterprise): Angel, PreA Focus area (Optional for enterprise): block chain, AI, Internet of things Investment cases (Optional for enterprise): Bubi block chain, Keyi Robot, Qfeeltech, Boqii Experiences & Achievements: Dr.Guo Feng, Partner of DL Capitals, Deputy Director of Zhongguancun Block Chain Industry Alliance, Director of Qingdao Chain Bay Research Institute, Industrial Technology Research Institute of Peking University, and Entrepreneurial Tutor of Tsinghua Tongfang Entrepreneurial Incubator. Dr.Guo Feng is a well-known communication network expert in China and an early researcher of Internet and Block Chain technology. He is currently focusing on the angel investment in Block Chain, Artificial Intelligence and Robot, Internet of Things and other fields. He has invested in more than 30 startups and is an angel investor in Block Chain, Science and Technology. Dr.Guo Feng was a professor of Xi'an University of Electronic Science and Technology in the 1990s and vice president of the School of Communication Engineering. He also served in Cisco and NTT Corporation, and served as senior executives of well-known domestic enterprises including China Cable and China Electronics.