proposal letter in farsi

I am looking for a freelancer who can write a proposal letter in Farsi for a business partnership. Although I have a rough idea of the points and topics to be covered in the letter, I would appreciate some suggestions from the freelancer. The letter should follow a formal format and style.

Ideal skills and experience for this job include:
- Fluent in Farsi with excellent writing skills
- Experience in writing formal letters or business proposals
- Understanding of business partnership dynamics and requirements.