Wedeco (Xylem)
OZONIA (Suez)
Nippon Photoelectricity Equipment
MKS
Newland EnTech
Koner
Qingdao Guolin Industry
Metawater
Tonglin Technology
Jiuzhoulong
Mitsubishi Electric
Primozone
Taixing Gaoxin
Hengdong
Sankang Envi-tech