Meeting with HR, hiring managers from different stat department, do presentation finally. The interview lasts for whole day. You have to meat these people one by one. In general, they will ask what you's what working experience, what's your interest. They introduced their company, the function of different department to see whether you are interested in their company and which department you like to work. You are going to have a lunch with interviewers. In the afternoon, you will give a presentation about your work.