拼写很棒,可适当增加高级词汇的使用;文章上下文衔接自然;简单句稍微有点多,可适当增加从句使用。
Thank you for the email on March 25. The customers like you will highly attracted our attention and it is our pleasure to hearing from you. In the letter, you hope we can provide some technology material about our product, I am really sorry to tell you that your requirement can not be met, because this information is considered as confidential in this field. We truly wish this would not caused any inconvenient for you. If any else we can support you, please contact us at any time.