License Items: Wastewater treatment and recycling; Construction project construction; Hydropower generation; Road cargo transportation (excluding hazardous goods). (Where applicable, operate in accordance with the provisions of the law, the specific business scope shall be subject to the approval documents or permits issued by the administrative authorities; General Projects: Manufacturing of ecological environment materials; Manufacturing of specialized machinery and equipment for water resources; Water environment pollution prevention and control services; Development of intelligent water conservancy systems; Sales of specialized chemical products (excluding hazardous chemicals); Water pollution treatment; Consultancy services related to water conservancy; Engineering management services; Water resource management; Professional cleaning, washing, and disinfection services; Building cleaning services; Environmental protection consulting services; Research and development of unconventional water source utilization technology; Repair of specialized equipment. (Except for projects that are not required to be approved by the relevant departments, operate independently and lawfully in accordance with the business license.)