The interview process is traditional in which the first interview is host by the HR department and the second interview was interviewed by the head of department. In the first interview, they asked some typical questions like "why you apply the post?" and "why you left your last company?". There was a few hundred words of writing to explain why they need to hire you but not others, it also can be used to evaluate your English level. In the second interview, it's the main part of the interview, and the final decision is most rely of it. They won't ask details about your job knowledge, instead, they are more look at what a person you are.