Dear ,
I am writing to express my views concerning . In the first place, I would like to say thank you for the help and everything else you have been offering to us. Meanwhile, I also want to make some advice to better .
Firstly, we have found that . Secondly, we want to . Finally, we hope that .
I am looking forwards to your consideration about my proposals. Thanks in advance for that.
Yours sincerely,
Li Ming