感谢信

Dear ___，

On behalf of ___, I would like to extend our most sincere gratitude for ___. We appreciate greatly your aid in not only___, but also ___.

It is said that your ____ that we could enjoy such a wonderful trip / arrive at such splendid achievements, and we will never forget your painstaking labor and full cooperation / warm hospitality.

With this letter we would also like to formally invite you to___, so that ___. WE look forwards to hosting you ___ .

With personal regards.

Yours sincerely,

Wang Lin