General Projects: Wastewater treatment and recycling, Water environment pollution prevention and control services, Manufacturing of special equipment for environmental protection, Sales of special equipment for environmental protection, Sludge treatment equipment manufacturing, Water pollution control, Sales of water pollutant monitoring and detection instruments,Manufacturing of water pollutant monitoring and detection instruments, Specialty chemical product sales( No hazardous chemicals), Sales of special instruments for environmental monitoring, Manufacturing of special instruments for environmental monitoring, Chemical product production( Does not contain permitted chemical products), Solid waste management。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)