There are both, but the registration and interview courses of Jinan Tao Hong public examination are quite famous, so you will understand that it is almost the same to choose those famous teachers without thinking. Almost only Jinan Tao Hong public examination can help you apply and interview, because the interview is relatively easy, and all institutions are similar. After all, objective questions are easy to handle, but most institutions are wrong when applying, and many institutions are fooled when interviewing. They have long been tired of listening to those examiners.