Who is Yan Chengde? Xianhe environmental protection bureau chief

Yan Chengde: Male, China nationality, born in 1938, undergraduate, researcher, former deputy director of Planning and Finance Bureau of China Academy of Sciences, director of mechanical and electrical import office of China Academy of Sciences, and head of loan equipment of the World Bank. He used to be an advanced individual of the National Electron-Positron Collider, an advanced worker of mechanical and electrical equipment in China, director of the National Laboratory of Scientific Instruments from 65438 to 0998 to 2002, former scientific instrument expert of the Ministry of Science and Technology, director of China Analytical Testing Association, deputy editor-in-chief of Modern Scientific Instruments, deputy director of China Instrumentation Society and Scientific Instruments Working Committee, honorary chairman of China Analytical Instruments Branch, and consultant of the Scientific Tools Committee of the Innovation Method Research Association. He is currently a director of the company.