帮我写封英语的感谢信!内容是这样的,我公司有一台仪器坏了,拿到国外去修好了,我要给这个大区经理写一封感谢信,感谢他无偿的为我们修好了仪器.简单一点就好,我给他发邮件.格式一定要正确!先放50分在这,如果我采纳了我会再加分的!再放50！

Dear **,
Good morning. I'm ** in *** company. I write this letter for express my thankfulness of repairing our equipments for free which sent to your company several days ago.
If you have any question in the future, you can contact. Thanks again.
Best Regards
Yours Sincerely,
采用的是信函是的“齐头式”
**先生/小姐:
您好！
我是***公司的**，非常感谢贵司无偿的为我们修好了之前给你们送过去要修的仪器。
如果今后您有任何问题需要帮忙的话，可以直接联系我。 再次表示感谢。

Dear Mr. XX,
I'm very pleased to inform you that our device has been repaired for which we used to ask for your help. Here I'm writng to express our great gratitude for your help. This device is very important for our operations. I cannot imagine what would have happened to us without your help. I don't know what I can do to thank you. Please feel free to contact me anytime you think we may help. Thank you again.
Best regards!
Yours faithfully,
XXX

March 11th,2008(在此行最后,格式打不过去）
Dear ManagerX ,
I'm writing to tell you how very kind of you to repair our instrument for free which sent to your company several days ago.
We realized how much time you have saved for us.We feel deeply indebted to you and we really don't know how to thank you enough for your help.
Sincerely yours,（在此行最后）
XXX（同上）