Baofeng County Sewage Treatment Plant
Jiaxian Sewage Treatment Plant
Ye County Ruihetai Sewage Purification Co.
Pingdingshan City Gulf Water Co.
Lishan Luminous City Sewage Treatment Plant
Maigang Shipo Sewage Treatment Plant
Ruzhou City Sewage Treatment Plant These are well-built, you can go to China's sewage treatment engineering network to download, the country's have, under construction sewage plants can look at their winds