How am I going to write an Introduction letter to Introduce a company?

This should help: www.writeexpress.com/introduction

Hi, seunsmith!

The subject of how to write a business introduction letter is addressed on many, many sites on the Internet. All you have to do is to do a search for them. In addition to the fine answer that you were given above, please click HERE. (http://www.google.com/search?hl=en&safe=off&q=Sample+Business+Letter+of+Introduction+&btnG=Search)

When you find one that you like, you can tailor it to your needs. If you would like to post a draft of your introduction letter here, without putting in and contact information, I'm sure that there will be those of us who'll be willing to take a look at yours and make suggestions to you as to how you might make improvements to it.

Thanks!