Dear sir/madam，
On [date], pany]. You are cordially invited to att the celebration at [hotel], [location], on [date] to p.m.
[name] has been the President of [company] since [year]. During this period, [company] expanded its business to . Noeone your company speak at our conference on [topic].
As you may be aote . Many of our members are interested in the achievements your company has made in .
Enclosed is our preliminary schedule for the conference your company pany] is a leading producer of high-quality . As you y, and their ne other manufacturers.
We look forward to seeing you on [date]. Just call our office at [phone number] and we will be glad to secure a place for you.
Sincerely yours,
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