CITIC Envirotech Ltd., together with its subsidiaries, provides membrane-based integrated environmental solutions in the People’s Republic of China, Singapore, the United States, Malaysia, Kazakhstan, and Indonesia. It operates through two segments, Engineering and Membrane System Sales, and Treatment. The company is involved in the design, fabrication, installation, and commissioning of membrane-based water and wastewater treatment systems; and ecological restoration, river restoration, integrated environmental, and sustainable green projects, as well as undertakes various turnkey projects in the capacity of engineering, procurement, and construction contractor or as a membrane system specialist. It also invests in wastewater treatment projects under transfer-operate-transfer and build-own-transfer arrangements; and operates and manages third party treatment facilities. In addition, the company manufactures and supplies polyvinylidene fluoride hollow fiber membrane, pressurized and submerged membrane products, and integrated membrane systems; and trades in pumps. Further, it provides business and management consultancy services; research and experimental development services on environment and clean technologies; and management of circular economy. The company was formerly known as United Envirotech Ltd. and changed its name to CITIC Envirotech Ltd. in July 2015. The company was founded in 1996 and is based in Singapore. CITIC Envirotech Ltd. is a subsidiary of CKM (Cayman) Company Limited.