Good morning, Dear Professors:

　　It’s my honor to introduce myself. My name is CNrencai, I am fromXXCountyXXProvince, December XXXX I was born in a poor family, and my parents are farmers, I love and respect them very much. We were delight with my becoming a fresh man in September 1997. Luckily, I was permitted to be a graduate student after 4 years colorful life on campus. I received my Bachelor degree2001 inXX Institute of Science and Technology, then a Master degree2004 inXX University of Science and Technology. For those 7 years my major was Die Design. Before I received my Master degree, I had done the subject of XXXXXXXXXXX. For the past 3 years, I have been inXXXXXXCollege, where I have been and still am a teacher. I teach students Machine Design etc. I have published more than 10 first-author papers.