According to enterprise data, Zezhou Danhe Wetland Construction and Operation Co., Ltd. was established on April 29, 2020, and its business scope includes construction projects: construction and design; Design, construction and operation of constructed wetlands; Development and introduction of new technologies for ecological environment protection; Popularization and application of cleaner production technology; Consulting on environmental management system and environmental label certification; Compilation of environmental impact report form; Management and consultation of environmental engineering projects; Information consultation and technical consultation of environmental protection industry (projects subject to approval according to law can only be carried out after approval by relevant departments)