To whom may concern:
I am very gratitude for the support that you have given for my works(researches,schedules.).I wish our cooperation will be advanced on a big scale.
Here I would like to invite you a sightseeing for Beijing in your convenience.My offer will be really irresistable and exciting .Great Wall,Forbidden City,Imperial Palace,and Nestle Stadium or anywhere if you can name it will be included in our schedule.
I look forward to hearring from you soon.Best regards and wishes to you and XXXX!
Yours Truly XXX