1. Intern: Generally, it is a student at school or a fresh graduate who graduated less than 1 year. Its main task is to carry out internship training and gain experience from it.

2. Grassroots employees: employees with short work experience, mainly engaged in basic operations and tasks.

3. Middle-level managers: take the positions of department manager, project leader and brand manager to manage and coordinate the company's strategy and operation.

4. Senior management: including the heads, directors and vice presidents of senior functional departments, responsible for the overall decision-making, planning and strategy of the company.