Dear Mr.Jackson,

　　We have the pleasure of inviting you to our annual sales conference.This year it will take place at the White Swan Hotel in Guangzhou from December 12 to the 15.

　　We enclose details of the conference,accommodation arrangements and a provisional program.

　　Last year you gave a very interesting presentation on the subject of“On Customers’ Brand Loyalty”.We would be very grateful if you would consider giving us an update on this.We would appreciate it if you could confirm your participation at your earliest convenience.Please contact me at 62132512.?　　

　　Yours sincerely

　　Christina Zou

　　Conference Organizer