Dear Mr./Mrs. 作者名:
I am a graduate student of 大学名 in China. I major in 专业名. Recently, I found one of your articles, titled 文章名 in 杂志名. I found it may help me achieve my goals in this research field. This would make a really positive contribution to my work.
I am wondering if you could kindly send me the source program and the necessary information about it. I promise they will be used only for research purposed.
Thank you very much for your kind consideration and I am looking forward to your early reply.