a letter for business!someone help me correct it!thank you!
Dear Sir or Madam,
This is William from XXX , China. Lucy, one of my colleagues, who contacted you this April about the machine, has been on maternity leave. And I am the one who will take her place.
As you know, we have been interested in your product, which my leaders plan to go to America for investigation before ordering. And this visit is very important to our company.
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