Grandblue Environment Co., Ltd. engages in the water supply, drainage, solid waste treatment, and energy businesses in China. The company provides water intake, water production, water transmission, and drinking water services; and sewage treatment, and pipeline network operation and maintenance services, as well as manages and controls wastewater plants, draining pipeline networks, and pumping stations. It also engages in the waste incineration power generation, sludge disposal, fly ash disposal, ash landfill, waste landfill, solid waste environmental protection engineering, and sanitation; pipeline natural gas, bottled gas, hydrogen, and other multi-energy supply; and asset management businesses. Grandblue Environment Co., Ltd. was formerly known as Nanhai Development Co. Ltd. and changed its name to Grandblue Environment Co., Ltd. in December 2013. The company was founded in 1992 and is based in Foshan, China.