koong32 please kindly help me review the below letter, i'm poor in business letter ! , This should do the trick: Dear Sir, Madam, In the past year that our company has been trading with you, we may have involuntary caused you some difficulties. I would like to take this opportunity to apologize for any mistakes made by our team and I would like to thank you for your kind cooperation with us.
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koong32please kindly help me review the below letter, i'm poor in business letter ! ,