The National Natural Science Foundation of China
Shanghai urban construction investment co., LTD
Shanghai urban construction investment co., LTD
Ningxia Changcheng Water co., LTD
Shanghai urban construction investment co., LTD
Ningxia Changcheng Water co., LTD
Beijing Xingrun Water co., LTD.
Zhuhai Water Environment Holding Groups LTD.
Huayan Water Group (Wujiang) CO. LTD.
Shanghai urban construction investment co., LTD