As you have not received a reply, as yet, I will suggest a reply. I have been in HR for a good many years and have been on the receiving end of CV's. The accompanying letter should point out a certain amount of knowledge of the Company, but at this stage I would not include the fact that the Company is a customer of yours. Keep this in reserve for the interview. If there is anything that you are aware of, any unique points about the Company try to include, it will give you “brownie points”
The first thing I would say is do not put any negative sentences in your accompanying letter. "Although, my selling products and services experience are not.......
It was a very good attempt if, as you say you are not so good at written English.
Dear Sir/Madam, (Better if you can obtain a name, dealing with them, you must have contacts!) But remember to change the ending to sincerelyI refer to your advertisement, dated 27 February 2008 on www.jobsdb.com for the position of a Sales Specialist. I believe that this position matches my experience. I have a knowledge of your Company and its goals (Make sure you have read up on the mission statement and aims) and I am eager to be a part of it.I am presently working for xxxx, manufactures and exporters of CD’s and DVD’s as a Senior Thailand Sales Executive. I have over 5 years experience in negotiation and sales which I know will benefit your company. I enclose my CV and would appreciate the opportunity to discuss my qualifications in more detail.
I can be contacted on 555555 or via email XXXXXI look forward to hearing from you in the near future.
“speaking with you” this cannot be used it you are not addressing a named person. but if you find that name, use “appreciate the opportunity of speaking to you in person, to discuss the position.”
Faithfully is used when you are not addressing someone personally Sincerely is used with Dear Mr…….
Hope that helps, let me know if there is anything else,Good luck, let me know how you get on