1982 to 1998 worked in the post office of the former design institute of the Ministry of Posts and Telecommunications, and served as office director, deputy chief engineer and chief engineer. Studying in the Federal Republic of Germany from 1985 to 1987; 1998 to 2006, worked in the Science and Technology Department of the State Post Bureau, served as deputy director and director, and concurrently served as deputy secretary-general of the Science and Technology Committee of the State Post Bureau; Since 2007, he has served as vice president, member of the Party Group, member of the Scientific Research Planning Institute of the State Post Bureau (now the Scientific Research Planning Institute of China Post Group), member of the Expert Committee of the Ministry of Transport, member of the Scientific and Technological Advisory Expert Group of the State Post Bureau, deputy director of the Science and Technology Committee of China Post Group, director of the China Communication Standards Association, vice chairman of the Information Technology Cooperation Organization of the Universal Postal Union (UPU TC), chairman of the Electronic Commerce User Group (AES UG) and leader of the Radio Frequency Identification Technology Working Group (RFID SG). He was employed as the key researcher of the national medium-and long-term scientific and technological development planning strategy research "Research on the Development of Modern Service Industry", a member of the "Overall Coordination Group of Modern Logistics Standardization" of the Ministry of Science and Technology, and an expert in guiding project evaluation of the "National Key Promotion Plan of Scientific and Technological Achievements" of the Ministry of Science and Technology. He has organized, presided over, taken charge of or participated in hundreds of major postal engineering design, information construction, scientific research, standards and specifications, and research and development projects of relevant state ministries and commissions, and published more than 30 papers.