Business Letter to customers to inform of a plant closure

I want a one-page letter informing my customer that one our plants will be closing and we will moving all of our manufacturing products and machines to a new plant that is also part of the company.
Need to let our customer know that we did this to serve better our business interests and the best interest of our customers to serve a higher level of quality to ensure their sanctification when manufacturing and delivering our products.
Need also to let them know that the business had invested money, training its employees and bought new equipment and machines to better our products and to make sure it fits their needs, and the new plant has employees with a long history of success, experience, and accomplishment and we are confident to new transition will better serve our customers and we love to further continue to earn their business with our top-quality cables

you may finally say we did this because we care about our customers and we wanted to keep them updated about our business changes as we continue to grow.