http://waterlinkdirectory.com/Water/Companies/Wastewater/An international directory of links and articles pertaining to the environment, water, and sanitation, with posts of projects for communities in need. Companies involved in wastewater. http://www.yuqing.ccwe specialized in water treatment chemicals,disinfector, bactericide,etc, serving waterworks and wastewater treatment plants.。Tue, 02 Sep 2008 05:55:15 GMT