Most intermediary companies have some cooperative institutions overseas, most of which are not well-known diploma workshops. Because it is difficult to recruit students, they will choose to cooperate with the intermediary, and the intermediary will recommend students to go and then give the intermediary a commission.

Enrollment agent, many educational institutions (such as universities, middle schools and training institutions) recruit students before they enter colleges and universities by hiring a large number of independent enrollment consultants to provide consulting services for students. It is a very efficient and low-cost enrollment method.