Dear Zhang Jian,
I am just as proud as you can be of you and send my sincerest congratulations on your admission to Beijing University as a postgraduate.
During the past four years, you kept improving and devoted yourself into your major study. I am delighted that the four years of your study has been rewarded in this way. It is obvious that you will have a promising future in front of you.
Congratulations again. I wish you will make great achievement in you future study and life. I am looking forward to hearing more good news in your studies and research work.
Yours sincerely, Li Ming