Shuanglin (Huzhou) Wastewater Treatment Co., Ltd is a jointly vested by three companies: AnnAik GroupLimited, Shanghai Jieshe Industrial Co. Ltd., and Huzhou Shuanglin Shuanghua Sewage Treatment Pipe Network Limited. With a registered capital of 16 million Yuan, the company is undertakes the treatment of domestic and industrial wastewater in Shuanglin town, Huzhou under the BOT model. The plant has an initial investment of 3.3 million Yuan and a total designed treatment capacity of 50,000 m3/d. Phase one of the plant has a treatment capacity of scale of 25,000 m3/d, and was put into operation in 2009. Phase two (operations to commence in 2020) is designed to accommodate an additional 25,000 m3/d. Utilizing a two stage biological treatment process of UBF + A/O + filtration technology, the plant’s pollutant discharge standards are able to meet (GB18918 - 2002) first class “B” discharge standards. In 2011, the plant underwent an upgrading of discharge standards and is currently able to meet (GB18918 - 2002) first class “A” discharge requirements.