请求信模板1：

Dear _________,

My name is _________, and I am _________. I have made up my mind to write to you in the hope that you can furnish me with the information regarding _________.

At the present I am preparing / doing _________, and am in lack of _________ that is crucial for the work / project / program. Therefore, it would be of great help if I can have your help for _________ . Please get back to me at your earliest convenience as I have to _________ soon.

I am praying for your reply with full appreciation.

Yours sincerely,
Li Ming

请求信模板2：

Dear _________,

I am _________. I’d like to ask if you have _________ / can provide me with the information of . The reasons for my urgent need of _________ are as follows: 1) _________; 2) _________ ;3) _________

Therefore, I will be much obliged if you can help me _________. Please feel free to call me at _________ for further questions.

Thank you for your time and patience, and I look forward to your prompt reply.