Materials welding and joining technology;
Arc physics;
Embedded computer control technology;
Communications technology;

2002-now, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China, Associate Professor;
1995-2002, School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China, Lecturer;
1993-1995, School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China, Teaching Assistant.

1986-1990, Welding Technology and Equipment, Xi’an Jiaotong University, Xi’an, Shaanxi, China, Bachelor.
1990-1993, Welding Technology and Equipment, Xi’an Jiaotong University, Xi’an, Shaanxi, China, Master.