CITIC Envirotech Ltd. operates as holding company, which engages in the provision water and wastewater treatment, water supply and recycling. It operates through the following segments: Engineering, Treatment, and Membrane. The Engineering segment designs and implements integrated environmental engineering solutions based on membrane technology. The Treatment segment renders waste water treatment services. The Membrane segment manufactures and sells polymers. The company was founded by Yu Cheng Lin on July 9, 2003 and is headquartered in Singapore.