On last week February 18, 2015 we got the accidental of air conditioning sale area for Panya SM store not so cold. So we have to contract DKT company who is the company policy supplier to walk in, check and found that almost system need to be check, clean and repair too.For above explanation and reason before we would like for your kindness to get approve to do this job as the scope of work, detail list, specification with cost as shown in the following below :-