Dear Mr. and Mrs Smith Dec. 19th 2010
I'm writing this letter to show my gratitude for your reception in New York. I hope that you can visit to Tianjing in future that is a beautiful city and has many famous resorts. I would like to entertianand guide you as a host. Again please accept my sincere gratitude. I'm looking forward to seeing you in Tianjing.
Yours Wangxu