List of Participants

ASIA PACIFIC PETROCHEMICAL CO., LTD.

BAAN BE SMILE CO., LTD.

CARBON THAI CO., LTD.

DEMARC TRADING CO., LTD.

DEPARTMENT OF WATER RESOURCE (DWR)

EBARA (THAILAND) LIMITED

ENCOTEC CO., LTD.

ENGINEERING INSTITUTE OF THAILAND (EIT)

FACULTY OF ENGINEERING, CHULALONGKORN UNIVERSITY

FUSION EQUIPMENT (ASIA) CO., LTD.

GNB KOREA CO., LTD.

HACH (THAILAND) LIMITED

HYDRO BIO CO., LTD.

I-BORN SUPPLY & SERVICE CO.,LTD.

IEC DREAM WORKS CO., LTD.

ION EXCHANGE ASIA PACIFIC (THAILAND) CO., LTD.

LEAFPOWER CO., LTD.

MASSDYNA CO., LTD.

OFFICE OF THE NATIONAL WATER RESOURCES (ONWR)

P & S DESIGN CO., LTD.

PEERAPAT TECHNOLOGY PUBLIC CO., LTD.

PETRO-INSTRUMENTS CORP., LTD.

POWER BEND CO., LTD.

PREMIER PRODUCTS PUBLIC CO., LTD.

PSV CREATION CO., LTD.