How can I get to Suzhou (Soochow University) from Shanghai Hongqiao Airport by bus?

How can I get to bus line that goes to Suzhou from Hongqia Airport? I will be in Hongqia about at 11:00 am on Saturday. Exactly, from where in Hongqia I will get on the bus and where does the bus stop in Suzhou city? Should I take a taxi to Soochow University in Suzhou or will the bus stop near the university?