Dear Khun Sunthorn
In regard to my phone called to you. Due to our existing maintenance contract for Air conditioning system will be expired.
Which we would like to proceed bidding for new contract agreement for one year.
Enclosed is our questionnaire with Air condition details for your further reference.
With, we would like you to please reply us the questions attached. And should you have any questions in accordingly to details and/or questions please do not hesitate to contact Khun Sarun our Maintenance coordinator ext. 2605.
And we expected you to please revert us on your proposal with details by this Friday. 24th July 2015 ka.