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please tell me what kind of audiovisual equipment you’ll need. If you could let me know your specific requirements by [date], I’ll have plenty of time to make sure that the hotel provides you with what you need. Thank you again for agreeing to speak. I look forward to hearing from you. Sincerely yours, [name] [title] 篇三 Dear sir/madam: [Organization] would very much like to have someone from your pany speak at our conference on [topic]. As you may be aware, the mission of our association is to promote. Many of our members are interested in the achievements your pany has made in. Enclosed is our preliminary schedule for the conference which will be reviewed in weeks. I’ll call you [date] to see who from your pany would be willing to speak to us. I can assure you that well make everything convenient to the speaker. Sincerely yours, [name] [title] 篇四 LETTER OF INVITATION Dear Sirs/Madam: We hereby sincerely invite you and your pany representatives to visit our booth at The Continental Exhibition Center from April 15th to 20th 2019. We’re one of the manufacturers specialized in sanitaryware, concludingone amp。資料共分享,我們負(fù)責(zé)