Revise lettre

please, i need your help to revise this letter:

Dear Sir,

I am interested in becoming a Tunisian distributor for your company.
I’am an électromechanical enginer graduated in june 2008 from the engineering school of Sfax (Tunisia) a well renowned and respected institution, I was worked as heavy equipments maintenance engineer in a cement factory and since January 2010 I work as an engineer at the department of construction of high way in a Tunisian company.
Throughout thes two expeiences , I have consistently been promoted to increasing levels of responsibility, which fostered the development of my leadership skills.

Your company has a long history of providing the highest quality products , and has an excellent reputation, I look forward to work with you in order to deploy your brand in tunisia and beyond the north Africans country while working with clarity, confidence and commitment.

I remain at your disposal for any further information you may need.

Yours truly,