Expert Group

Xu Kaihua 

  Xu Kaihua, male, ethnic Han, born in February 1966 in Jingzhou, Hubei Province, is a part-time professor of Central South University and the founder of GEM Co., Ltd. (Shenzhen Stock Exchange: 002340). Xu serves as the Chairman of the Board of GEM Co., Ltd., the Executive Director of the Circular Economy Research Base of the Ministry of Commence, the Director of the National Electronic Waste Recycling Engineering Research Centre, the Vice President of China Association of Circular Economy, the Vice President of China Resources Recycling Association, and the Vice President of China National Resources Recycling Association.

  Xu Kaihua, who puts forward the industrial concept of "Limited Resources, Unlimited Recycling", has engaged in research and industrialisation of waste management for 28 years. Chairman Xu has more than 200 patents to his name in the field of recycling technologies for prominent pollutants, i.e. waste batteries, rare metal waste, electronic waste and end-of-life vehicles, etc. More than a dozen of the patents were authorised in more than 20 countries, such as Europe, Japan, United States, etc. In addition, Chairman Xu has led the development of more than 70 national and industrial standards and acquired the Second Prize of the National Science and Technology Progress Award (as the second completer), and the Scientific and Technological Advancement Awards at the provincial and ministerial level five times (as the first completer). Under Chainman Xu’s leadership, based on the patented technologies, GEM has established the largest spent batteries and electronic waste green management base in China as the National Urban Mining Demonstration Base and the National Circular Economy Education Demonstration Base.

Zhang Yunhe

  Zhang Yunhe, male, born in December 1974, has earned his doctorate of engineering, and used to be a post-doctor researcher. He served as the Dean of the GEM Central Research Institute, the R&D Director of GEM, the Executive Deputy Director of the National Electronic Waste Recycling Engineering Research Center, and the Hubei Provincial Director of Urban Mineral Resources Recycling Engineering Center. He has engaged in the research and industrialisation of materials, metallurgy and electrochemistry and completed more than 30 projects, such as projects funded by the National Basic Research Program of China (973 Program), National Programs for Science and Technology Development, the National Natural Science Foundation of China (NSFC), as well as the Hunan Provincial Major Scientific and Technological Projects and University-Enterprise Cooperation Projects. His eight projects passed the Appraisal of Provincial Science and Technology Achievements and seven of which acquired provincial and ministerial-level awards. In addition, he has applied for more than 20 national invention patents and published more than 50 academic papers.

Zhoujifeng

  Zhoujifeng, with a bachelor degree in chemistry, is the Deputy General Manager of GEM Co., Ltd., the General Manager of GEM (Wuhan) Urban Mining Resources Industrial Park Development Co. (hereinafter referred to as GEM (Wuhan)), Ltd., and a part-time supervisor for master students in Beijing University of Technology. Zhou joined the company in February 2004, rising to become the Director of the Analysis and Quality Control Centre of GEM, R&D Manager, the General Manager of Jingmen GEM New Material Co., Ltd., and the General Manager of GEM (Wuhan). He has spent more than 10 years in research of resource recycling, analysis of powder materials and quality management. Zhou has undertaken a dozen of projects, including the projects of National High-Tech R&D Program of China (863 Program) and Provincial and Municipal Scientific and Technological Projects. He acquired the Provincial and Municipal Scientific and Technological Progress Awards twice and used to be the Certified Internal Auditor of the National Laboratory Accreditation, and the Internal Auditor of ISO9001 - Quality Management Systems and ISO 14001 - Environmental Management Systems.

Yang Zhengxin

  Yang Zhengxin, joined GEM in 2011 and now is the Technical Director of GEM End-of-Life Vehicle Equipment Technology Centre. Whilst developing his career he studied part-time at National University of Defense Technology from 2000 to 2004, gaining his PhD degree. Yang has published 3 academic monographs, 45 academic papers and participated in the edit of a textbook used by master students. He received the Third Prize of Naval Scientific and Technological Progress Award and the Second Prize of Shangdong Provincial Education Council Teaching Achievement. Several of his papers were awarded the Outstanding Papers. He participated in a number of major research projects, including: a project sponsored by the National Defense Pre-Research Fund, a project funded by the National Natural Science Foundation of China (NSFC), a project of the National High-Tech R&D Program of China (863 Program) and three R&D projects on manufacturing technologies for replacing indispensable parts of the imported engines.


Lv Huaixing

  Lv Huaixing, with a master degree in polymer materials, is the Vice Dean of the GEM Central Research Institute and the Director of the Plastic and Agricultural Waste Recycling Research Center. His master dissertation was based on a project funded by the National High-Tech R&D Program of China (863 Program) that he participated. Since he joined GEM in 2009, his research has focused on the recycling of polymer materials recovered from electronic waste, in particular, the R&D of wood plastic composite materials. He has developed matrix materials PE and PVC, and one-layer and two-layer structures. More than 20 patents have been applied or granted.

Guo Miaomiao

  Guo Miaomiao, with a bachelor degree in Chemical Engineering and a master degree in Chemistry, is the Vice Dean of the GEM Central Research Institute. Since April 2009, she has served as the Deputy Manager of R&D center of Jingmen GEM, the Manager of Cobalt and Nickel Research Department, the Director of Rare Metals Experiment Center, Vice Dean of GEM Central Research Institute, the Director of Nickel, Cobalt and Rare Metals Research Department and the Representative of Market Technical Services. Guo participated in three projects funded by the National High-Tech R&D Program of China (863 Program), two large-scale industrialisation projects (one for cobalt-nickel material and one for precious metals). Besides 5 published papers and 11 granted patents, Guo undertook a dozen of market research projects and made a contribution to the Market Technical Service.

Peng Tao

  Peng Tao is the Vice Dean of the GEM Central Research Institute, used to be a postdoctoral researcher in Polymer Science and Engineering Institute of Sungkyunkwan University in Korea until February 2012. He has undertaken a number of state, provincial or municipal projects and acquired a Third Prize of the Hubei Provincial Science and Technology Progress Award. His work appeared in the top journals (SCI/EI) more than ten times.

Ma Lin

  Ma Lin, with a bachelor degree in Chemical Engineering and a master degree in Chemistry, is the Vice Dean of the GEM Central Research Institute. She joined the company in July 2010 and used to be the Assistant to General Manager of Jingmen GEM Analysis Center, rising to the Director role. Ma has mainly engaged in the analysis and testing of the resource recycling processes, in particular, concentrating on the ICP analysis approach of impurity elements contained in ammonium paratungstate. She has published 1 paper and 7 patents since she joined GEM.

Cai Jingjing

  Cai Jingjing, with a master degree in Chemical Engineering from Tsinghua University, is the General Manager Assistant and the Director of Quality Control Department of Jingmen GEM. Since April 2014, he used to be a R&D engineer in GEM Central Research Institute and rising to the Director of Quality Control Department of Jingmen GEM. Cai participated the project of "Research on Self-Assembly of Gold Nanoparticles and Characteristics of 2D and 3D Superlattice materials” with the French Academy of Sciences. He studied the preparation processes of gold nanoparticles, 2D and 3D materials as well as the self-assembly technologies. His research experience also includes the pre-treatment of industrial gypsum, impurity removal, preparation and performance assessment of the whiskers through the project funded by the National Natural Science Foundation of China.