List of Participants

P & S DESIGN CO., LTD.

THAI DAIICHI INTERTRADE CO., LTD.

CMSA COMPANY LIMITED

EBARA (THAILAND) LIMITED

JIAOZUO YUANBO ENVIRONMENT PROTECTION TECHNOLOGY CO., LTD.

WUXI HOLLY TECHNOLOGY CO., LTD.

HCZHUN (WEIFANG) INTERNATIONAL TRADE CO., LTD.

CARBON THAI CO., LTD.

BEIJING ZHONGYUANTONG SCIENCE AND TECHNOLOGY CO., LTD.

SIAMPATTANAPONG CO., LTD.

THAISIN MOTOR MANUFACTURING CO., LTD.

SAITECH CORPORATION CO., LTD.

QUALITAT THAILAND CO., LTD.

PT PRECISION WAVE INDONESIA

ENDRESS+HAUSER (THAILAND) LTD.

THAMMASORN CO., LTD.

VEGA INSTRUMENTS CO., LTD.

HACH (THAILAND) LIMITED

SWUN CHYAN ENTERPRISES CO., LTD.

SWUN YUAN ENTERPRISES CO., LTD.

JIANGSU KINTEP ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.

N-TECH ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY (CHANGZHOU) CO., LTD.

HENAN ECO ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.

H2O (KUNSHAN) WATER TREATMENT EQUIPMENT CO., LTD.

GUANGZHOU CHUNKE ENVIRONMENTAL TECHNOLOGY CO., LTD.