1986 and 1993 obtained master's degree and doctor's degree in bridge and structural engineering respectively. Since receiving his doctorate, he has been engaged in interdisciplinary research of computer application technology and mechanical design and theory.
From June 5438 to February 2002, as the first academic leader in the first research direction, he applied for the right to confer a doctorate in computer application technology and was successful.
1992, former executive deputy director of the CAD engineering center of Southwest Jiaotong University.
1999, director of the CAD engineering center of Southwest Jiaotong University.
Since 2006, he has served as president of Sichuan Institute of Manufacturing Informatization, director of Sichuan Research Center of Manufacturing Informatization Engineering Technology, and director of Sichuan Productivity Promotion Center of Manufacturing Informatization.
Comrade Sun is a member of the 10th and 11th Chinese People's Political Consultative Conference, and vice president of the Sichuan Intellectuals Association.