用英语写一封邀请函

不会

Dear Regional Sales Managers：

The purpose of this letter is to formally invite you, on behalf of the Board of Directors, to take part in the forthcoming new product market survey analysis seminar.

The theme of this seminar is "Discussion of the new product sales patterns and sales methods under the new situation". It will be held at the Li Jiang Hotel, on January 5, 2008.

This seminar is very important so please be on time. Thank you for your cooperation!

Yours sincerely,

Wang Hongwei
Vice President of Sales