1974- 1977 engaged in the research of engineering plastics injection molding and engineering application in the technical group of Shanghai No.7 Valve Factory; 1977 ——1994 Hudong Shipbuilding Group is engaged in the application and development of marine nonmetallic materials; 1980 "Plastic Molding Filler for High, Medium and Low Pressure Valves" won the third prize of the former First Machinery Department Standard and was the main member of the research group. 1986 "development of yc2f-ⅲ glass wool felt" won the first prize of Shanghai science and technology progress, and served as the knitting director of the research group. 1989 "Study on Oil Seal Series of Diesel Engine Parts" and 1996 "Study on Anti-rust Oil of Pipeline Inner Wall" won the third prize of China Shipbuilding Corporation for scientific and technological progress respectively, and served as the leader of the research group. * * * Write papers 18, and publish them in conferences or magazines at all levels.