Professor Jia Minjiang, doctor of Management, is an evaluation expert of Chengdu Science and Technology Evaluation Center, an evaluation expert on government procurement of Sichuan Province, and a member of China National Democratic Construction Association. He has worked in enterprises for 6 years. He is involved in the learning and teaching of eight majors. He presided over or participated in nearly 20 scientific research projects at all levels, and published nearly 50 papers, 7 books and textbooks. At present, his main research field is exhibition economy and management. In recent years, he has presided over or participated in 10 teaching quality engineering projects at provincial and university levels.