Sir/ Madam,
First of all, I have to tell you that I don't have any experiences on doing data entry with any big company but I did do position as secretary in my former club, so basically, my job is data entry and typing reports.
I can't say that I have much more experience on typing but the thing that I can guarantee for you is, I will hand in the work on time. I'm a person that doing works without procrastinating.
Last but not least, if you gives me chance to doing the work, I will really appreciate it. Thank you.