Dear（考官的名字）,
I appreciated your invitation for the interview in your company and enjoyed having conversation with you,especially about (可以写一些你们交谈的精彩内容).
I just want to mention that I was pleasantly surprised with the company and personnel and I think that (面试公司名字) would be a perfect place to work.
I'm using this opportunity to ask you when can we expect some results regarding the candidate selection for the position.
All the best,
XXX（你的名字）