Ounjai Pattana Sales & Services has been established for over 11 years and provides water treatment systems and advice for hotels, resorts, offices, factories, residential developments and for private residences.

They use the latest, up to date technology to deal and solve water issues, such as rusty, brackish and salt water.

Their products include filters, tanks, pumps,chemicals, test kits etc. Their services include Water systems for consumption, Design and installation of water treatment systems for private houses as well as businesses such as hotels and the Design, installation and maintenance of swimming pools, outdoor water features such as fountains, plus also steam and sauna rooms.

They are located in Rawai in the district of Nobon, about 500 metres from Baan Nabon School, in Soi Song Khun, which is opposite to Khunanon Residence.