It is located in Hanting District, Weifang City, covering an area of more than 140 mu. The whole plant adopts the oxidation ditch process; the actual treatment scale is 100,000 tons/day. It was put into operation in September 2010. Its effluent quality meets the level 1-A standard in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB18918-2002).