In order to better stimulate employees' work passion, establish positive communication, mutual trust, and teamwork spirit among employees, the annual expansion training after the start of work has become a routine for Greelan Company. Employees are also very much looking forward to and actively participating in it. This year's expansion training was held on the second day after the start of work in the new year. Except for employees who cannot leave their positions due to work needs, other employees participated in it with full energy. From February 25th to 26th, a two-day and one-night expansion training was carried out.