Language.Exchange

This is Denny, I am a salesman in cosmetic packaging field. Frankly speaking, it is ok to have direct conversation with my clients from overseas face to face. And it is easy to let them know what I want to say. But when I write some emails, I could make some mistakes in grammar, as I know that you are a very kind english teacher, so I was wondering if yo could help me to correct my expression when some important emails need to be sent out? If you need pay, you could also let me know, thank you in advance.

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