BEC Writing--Ask for an advertisement for two translators

Dear Mr. Max Remington,
We would appreciate it if you could would approve advertisement of for two experienced translators. It is Because we will translate a lot of specifications and instructions of equipment from China, and meanwhile, we have only four months. In this case, We hope to you should public that can publish this as soon as possible.

Thank you.

Sincerely,
xxxx

Mr. is an abbreviation and must include the "." character.

In a business letter you would not normally have Mr. and the persons first name.

"a lot of" is more casual speech, business letters are typically more formal.

We will be translating many specifications and instructions for equipment from China over the next four months.

I removed "it", "it is" and "In this case" because I feel they are unnecessary. 

When asking someone to do something, you should say "Thank you".

你写得很好