Dear________,
You have asked me for my advice with regard to________________, and I will try to make some conducive suggestions here.
In my opinion, you would be wise to take the following actions: ________________(建议的内容).
I hope you will find these proposals useful, and I would be ready to discuss this matter with you to further details.
Good luck with your________________(祝愿).
Yours Sincerely,
Li Hua