Grandblue Environment Co., Ltd. engages in water supply, sewage treatment, solid waste treatment, and gas supply businesses in China. The company provides water supply services, including water intake, production, and delivery to end-customers; sewage treatment services, such as sewage treatment pipe network maintenance, pumping station management, and sewage treatment plant operation and management; and gas supply services. It also offers solid waste treatment services comprising garbage sorting, sanitation cleaning, incineration power generation, sludge treatment, kitchen waste treatment, leachate treatment, fly ash treatment, garbage treatment, sludge treatment, and hazardous waste treatment. The company was formerly known as Nanhai Development Co. Ltd. and changed its name to Grandblue Environment Co., Ltd. in December 2013. Grandblue Environment Co., Ltd. was founded in 1992 and is based in Foshan, China.