You can make a career planning material.

3, values, professional ethics,

These will do. Fifteen points is a bit short. The first one will do.

You can learn about the basic situation and development process of some companies from the company website. If not, you can simulate the development of a company with reference to other companies.

When training, relax and interact with others below. Mobilize everyone's active participation and let the interviewer have a buzz.