E.S.T. TRADING CO., LTD. was founded in Bangkok, Thailand to offer indoor air quality (IAQ) products and wide range of HVAC equipments.
Entered clean room contracting business
Started licensed production of “Micro Air” electrostatic precipitator air cleaners technology from Metal-Fab Inc. (USA) to further expand our commercial line.
Developed particulate and odor control products under the brand “HIEND” with our accumulated experience and knowledge.
Started providing air purifier rental, installation and maintenance services with warranty options for private and public sectors across Thailand and abroad.
Introduced “CURA” air purifier with germicical technology for healthcare and commercial markets
We continue to collaborate with experts around the world to improve performance,
Reliability and durability of our products to better serve our customers.