CITIC Envirotech Ltd. operates as holding company, which engages in the provision water and wastewater treatment, water supply and recycling. It operates through the Engineering and Membrane System Sales; and Treatment segments. The Engineering and Membrane System Sales segment designs integrated environmental engineering solution based on membrane technology; and manufactures and markets membrane systems. The Treatment segment renders treatment services. The company was founded by Yu Cheng Lin on July 9, 2003 and is headquartered in Singapore.