Dear

I would like to personally thank you for your interest in
our product line. I have enclosed a price list and data
sheets which describe our full line of products that serve
the [specify] industry.  This should help to familiarize
you with our family of products and the outstanding quality
of our equipment.  If you look carefully at our products in
terms of quality, reliability, functionality, service, and
price, I am certain you'll agree that the value we offer is
beyond compare.

If you have further questions about   [name of firm's
products]    , please don't hesitate to call us at 
[phone number].

Thank you again for your interest.