![](https://www.estengineering.com/wp-content/uploads/2015/03/photo-15.jpg)
System / Service : Lighting, Power, Tel, Data, PA, Sprinkler, Plumbing & Sanitary
Customer / Client : Serrano (Thailand) / Carnot Engineering
System / Service : Lighting, Power, Tel, Data, PA, Sprinkler, Plumbing & Sanitary
Customer / Client : Serrano (Thailand) / Carnot Engineering