China International United Petroleum & Chemicals Co., Ltd.Established in February 1993, China International United Petroleum & Chemicals Co., Ltd. (hereinafter referred to as UNIPEC) is a wholly owned subsidiary of China Petroleum & Chemical Corporation (Sinopec Corp.), and its headquarter is located in Beijing, China. At present, UNIPEC is one of the largest international oil trading companies, and it operates in nearly 100 countries and regions around the world. With an operating scale of 400 million tons, UNIPEC has become the largest trading company in China and is in a leading position in the global energy trade field.Institute of Quantitative and Technological Economics, Chinese Academy of Social Sciences (IQTE)It is one of the eight economic research institutes of the Academic Division of Economics in Chinese Academy of Social Sciences, and it is also the only national studying institution focusing on quantitative economics and technological economic theory and methodology as an important part of the think tank of central government. The institute has good studying groups on economic modeling, energy and environment, technical innovation and productivity, information society and has fulfilled a number of research projects from local and central governments, companies, and international organizations.Institute of Energy, Peking UniversityAs an independent scientific research entity under Peking University, the Institute of Energy (hereinafter referred to as the Institute of Energy of Peking University) aims at meeting the needs of national energy development strategy. It, based on the overall situation of energy field and the international frontier, makes full use of the advantages of various disciplines in Peking University and focuses on major strategic and technological issues that restrict the development of China’s energy industry. In accordance with the principle of demand orientation, discipline guidance, combination of soft and hard strength, cross-innovation, highlighting key points and forming characteristics, the institute promotes the progress of energy science and technology, accelerates the clean transformation of energy, and conducts professional and public education, striving to build an international-level energy think tank and energy science and technology research and development promotion platform.