2. China Water Investment Co., Ltd
3. Veolia Water Group
4. Beijing Sander Environmental Protection Group Co., Ltd.
5. China Environmental Protection Water Investment Co., Ltd.
6. Sino-French Water Investment Co., Ltd
7. China Energy Conservation and Environmental Protection Group Corporation
8. Jinzhou Environment Group Co., Ltd..
9. Chongqing Water Group Co. Ltd.
10, Beijing Capital Company Limited
1 1, He Jiang Water Investment Co., Ltd.
12, Shenzhen Water (Group) Co., Ltd.
13, Tianjin Chuangye Environmental Protection Co., Ltd.
14, China Water Group Co., Ltd.
15, Shenzhen Jinxin 'an Water Group Co., Ltd.
16, Anhui guozhen environmental protection and energy saving technology co., ltd.
17, Chengdu Rongxing Group Co., Ltd.
1, Beijing wanbangda environmental protection technology co., ltd.
2. Yangzhou Lu Cheng Environmental Engineering Co., Ltd.
Beijing sander environmental protection group co., ltd.
4. Beijing Bi Shuiyuan Technology Co., Ltd.
Veolia Water Engineering (Beijing) Co., Ltd.
6.GE Water Treatment and Process Treatment Company
7. Shenzhen Jindalai Environmental Protection Co., Ltd..
8. Beijing Meihua Boda Environmental Engineering Co., Ltd.
9. Beijing Construction Engineering Jinyuan Environmental Protection Development Co., Ltd..
10, Wuhan Urban Environmental Protection Engineering Technology Co., Ltd.
1 1, Jiangsu Tianyu environmental protection group co., ltd.
12, Anhui guozhen environmental protection and energy saving technology co., ltd.
13, Jiangsu Yao Peng Environmental Protection Group Co., Ltd.
14, First Aihua (Tianjin) Municipal Environmental Engineering Co., Ltd.
15, Puhua Holdings Limited
16, Zhongke Cheng Environmental Protection Group Co., Ltd.
17, Dehewei (Beijing) Environmental Engineering Co., Ltd.
18, Standard Water Co., Ltd.
19, Fujian new world environmental protection technology co., ltd.
20. Zhejiang Europe and America Environmental Engineering Co., Ltd.
2 1, Tongfang Co., Ltd.
22. Zhejiang Dean New Technology Development Co., Ltd.
23. Guangdong Xindayu Environmental Engineering Co., Ltd.