Dear Miss/ Sir:

Thank you for taking time to read my letter as well as my resume. I got to know that the position XXXX is open through the Internet. I am quite interested in this position. And I think I am qualified to work as a XXXX. First of all, I am majoring in XXXX. And I have worked as a XXXX for more than three years in two different big companies.

As I know, your company is excellent in this area and I am willing to make some efforts to grow with the company.

I am looking forward to your reply.

Yours Sincerely