On July 21, 2019, Jia Kehuan invited Professor Dong Yonghui to come to the company to hold a lecture. The theme of this lecture was "Team Building", and all management personnel of the company participated in the lecture. Dong Yonghui, Hubei Institute of Technology, Director of Employment Department, Dong Yonghui is a national senior professional instructor. In recent years, he has actively participated in scientific research and teaching, and participated in the design and management of the college's prof