1. Teaching background and experience: Introduce the teaching background and experience of teachers in training institutions. For example, do they have a degree or certification in related majors, have many years of experience and so on.

2. External certifications and honors: Introduce various external certifications and honors obtained by teachers. This can include professional certification, publications, published articles and research, and business or educational awards they have won.

3. Teaching achievements and evaluation: introduce teachers' teaching achievements and evaluation, such as their students' feedback and evaluation after class, or their students' grades and exam passing rates.

4. Professional field and teaching content: introduce each teacher's professional field and teaching content. For example, what subjects, skills or topics they are good at teaching, and what their teaching style is.