Simply replace the unfilled areas such as "" and "[date]" with your information.
Dear [Customer Contact],
As you may know, there have been exciting advances in [industry] over the past [number] years. We have always been on the cutting edge of those advances, determined to supply our customers with the latest and best technologies. However, these rapid improvements may not always give our customers the opportunity to fully explore all the features of each new product.
It is for this reason that I would like to cordially invite you to our [product] seminar on [date], held at [location]. This will be an exciting opportunity for you to learn more about the features and benefits of our product. You will also get the chance to meet with your industry peers and explore the many ways you each utilize our tools. There will be Q&A sessions with the product designers. Additionally, this is your opportunity to have a collaborative input into the design of new products and features.
We look forward to seeing you there. I will contact you shortly to make reserve your seat.