Native speakers ! can you rewrite this letter in the best way for me ?

Question

Dear Sir

Following your telephone conversation with …… , hereby we would like to introduce ourselves as one of the most active companies in field of power and industrial projects. Kindly be informed that we executed different kind of projects in ….. middle east area.

In accordance with our potentials on procurement we would like to be your excusive agent in ….

Regards,

Answer 1

Some of the terminology that you have used is so formal as to be outdated. As a result the letter does not give the impression that the firm in question is in the forefront of things. May I suggest a more relaxed style:

Dear Sir,
Following your telephone conversation with........., we would like the opportunity to introduce our company as one of the most active in the field of power and industrial projects.
We have excellent credentials and sound experience in these fields, having carried out a variety of projects in......., in the Middle East.
In accordance with our potential on procurement, we would like to offer our services as your exclusive agent in....
If you would like more information on our activities, and the names of customers who have used our services and will testify as to our professionalism, please do not hesitate to contact us.
With our sincere regards,

Answer 2

Dear Sir

Following your telephone conversation with …… , we hereby would like to introduce ourselves as one of the most active companies in the field of power and industrial projects. Kindly be informed that we have executed different kinds of projects in …..the Middle East area.

In accordance with our potential on procurement we would like to be your exclusive agent in

This is the way I think it should read.

Regards

Brennus

Answer 3

Chao Ong,

Sao khi ong noi chuyen voi............, chung ta muon gioi thieu chung ta la mot bon ron so lam trong viec power va industrial projects. Mot loi le phep, chung ta co nhieu loai project trong...middle east tro.

Trong dong y, chung ta muon lam ban be trong.....

Cam On
........