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　　Senior chief technologist, professor level senior engineer, senior technical expert of CRRC group, member of coating expert group of CRRC group.

　　Mainly engaged in the planning of surface treatment process, coating process and bonding process of rail vehicles, and the planning and design of coating production line. Presided over the localization development and coating process design of high-speed EMU coating, the development and application of urban rail Metro water-based coating, the process development of stainless steel Metro coating car body, etc., and organized the planning and design of EMU and Metro coating production lines. Presided over 3 key scientific research projects of CRRC, participated in 2 national key scientific research projects, participated in the preparation of 3 industrial standards of China Railway Corporation, participated in the preparation of the chemical industry standard "water based coatings for rail transit vehicles Part 1: water based coatings", was a member of the coating professional Committee of China Chemical Society, the coating branch of China Coating Association, and the modern coating and coating 》Member of the editorial board.

　　From 1994 to 1998, engaged in surface treatment, including nickel plating, zinc plating, copper plating, decorative chromium plating, hard chromium plating, aluminum alloy oxidation, phosphating, cathodic electrophoresis.

　　From 1998 to now, he has been engaged in the chemical process of locomotives, buses, urban rail subways, EMUs and high-speed railway, painting process planning and design of painting production line, as well as the planning and implementation of bonding process.