Yunnan Water Investment Co Ltd is an investment holding company engaged in developing, designing, constructing, operating, and maintaining municipal water supply, wastewater treatment, and solid waste treatment facilities. The Group is organized into five business segments: Wastewater treatment project construction and operation, Water supply project construction and operation, Construction and sales of equipment, Solid waste treatment project construction and operation, and Others, including operation and maintenance services and other businesses. The company operates in Mainland China, Indonesia, Thailand, and Hong Kong, of which Mainland China accounts for the majority of the revenue.