CSD Water Service Co., Ltd. is a China-based company principally engaged in the investment operation and management of water, sewage and sludge treatment facilities. The Company’s main business is divided into four sections. The sewage treatment operations mainly include the construction, renovation and operation of sewage treatment facilities. The sewage and sludge treatment project engineering-procurement- construction (EPC) business mainly includes the construction of sewage treatment facilities, equipment integration, and project management. The sales of technical products business mainly include sales of sewage treatment technology products. Other integrated services mainly include providing technical services and emergency treatment in the sewage treatment operation service area.