Dear :

We at [company] have been known for the past years for our unique design, excellent quality, and after-sale services. Last year more than users became our new customers.

This year, we will open our new division -- -- to serve the increasing needs in the area. We look forward to continuing offering you our best products and services.

If you have been pleased with the products that you've purchased from us, you will find our new models even better. I'm enclosing a brochure that describes our new products and services. Please call us at [phone number] for more detailed information and quotation.

Sincerely yours,

[name]

[title]

Enclosure