英语邀请函如何写？( 三 )

The speech will be in July 7th, the school conference room. 9:00 in the morning to continue for two hours.Participants will be from our faculty in my department, who are so eager to get information on overseas study.
We hope that you will accept our invitation if it is convenient for you. Please call me at 1234567 if you have any questions. I am looking forward to your reply. With best wishes.
Yours sincerely, the Students' Union Dear Ms.Smith,
I was president of student union of Xiamen University. I'm writing to invite you to be a judge at our English speech contest to be held in our school on Jun 15. It will start at 2:00 pm and last for about three hours. Ten students will deliver their speeches on the given topic "Man and Nature". We hope thatyou will accept our invitation if it is convenient for you. Please call me at 1234567 if you have any questions. I am looking forward to your reply. With best wishes.
Yours sincerely

英语邀请函如何写？

dear sir/madam:
[location], on [date] from to p.m.
see you on [date].
yours sincerely
[name]
invitation for business:
july 29, 20xx
xxx, vp sales
xxxxxxxx corporation
(address)
please use this invitation letter to apply for your visa to china.
we are all looking forward to seeing you soon, and should you have any questions, please feel free to inform me.
yours truly,
xxx
vice president sales