The passing rate of Dr. Zhong Qian's course is 97% every year. He speaks with numbers, which is obvious to all people in the whole field. Teachers are very strong. The important thing is that he has a good sense of humor and rendering power. The more he attends classes, the more energetic he is and he won't fall asleep. Besides, if you look at their website, you will know that Zhong Qian is very formal.