Graduated from Xi'an Jiaotong University in Forging Equipment and Technology, Professor-level Senior Engineer. From December 1984 to April 1995, he served as Vice-Director and Director of Jinan Foundry and Forging Machinery Research Institute, Ministry of Machinery Industry, and from May 1995 to May 2013, as Director of Beijing Machine Tool Research Institute. From January 1997 to June 2016, he served as Vice-Chairman of Beijing Fanaco Mechanical and Electrical Co., Ltd., Chairman of Beijing Machine Tool Institute Precision Mechanical and Electrical Co., Ltd., Chairman of Beijing Industrial Research Precision Machine Co., Ltd., Director of National Center for Ultra-Precision Machine Tool Engineering Research, Director of National Engineering Research Center for Precision and Ultra-Precision Machining, Director of National Technical Committee for Standardization Chairman of Technical Committee for Electrical Standardization of Machinery Industry and Director of Management Committee of National Machine Tool Quality Supervision and Inspection Center. From 2009 to now, he has served as Deputy Technical Director of the National Science and Technology Major Project - High-grade CNC Machine Tools and Basic Manufacturing Equipment Special Group.