2, diploma, some companies need it, some companies don't need it, you have it.
3, photos, generally three one-inch color photos.
4, resume, it is best to write a resume yourself, but many companies fill it out in the company when interviewing, you'd better prepare one.
5. Dress simply and generously, and don't go to the interview like a mixed society. Write your resume neatly. Make a good impression on the interviewer.