เราจะทำจดหมายขอบคุณไม่แน่ใจว่าแบบนี้ถูกรึเปล่าอ่า

Dear Sir or Madam

I would like to acknowledge with heartfelt thanks in provide area for billboards. Your kind assistance and cooperation at a time like this is very much needed and anticipated.

Thank you once again for your kind offer of assistance. I am also looking forward to the opportunity in the near future to work closely with your office