I am working in a Sanitary ware and ceramic supplier company.
Please help me in writing a very cool introduction letter to my clients.

The following sites may be of help to you concerning writing letters of introduction:

Idea Cafe Small Business Archive: "Company introduction letter"

cover letters - sales introduction letters and inventions ideas submissions

Introduction Letter... The key business letter for getting your foot in the door

cover letters - sales introduction letters and inventions ideas submissions

Introduction letter - Wikipedia, the free encyclopedia