Dear
Your advertisement in the (month) issue of (name of periodical) magazine is of great interest to us.
We would like to know more about the products your firm offers and would appreciate receiving your wholesale price list and information regarding terms and ordering policy. It is our desire to offer our customers the widest selection possible of (type of product) , and we are therefore always interested in new products that fall within that area.
We will look forward to your prompt response. Thank you.