General Projects: Enterprise Management, Water conservancy related consulting services, Engineering and technical research and experimental development, New material technology promotion service, Manufacturing of new building materials( No hazardous chemicals), Building materials sales, Synthetic material manufacturing( No hazardous chemicals), Synthetic material sales, Bio-based material sales, Ecological and environmental material manufacturing, Sales of ecological and environmental materials, Paint Manufacturing( No hazardous chemicals), Paint sales( No hazardous chemicals), Information technology consulting services, Information system integration services, Information system operation and maintenance services, Software Development, Planning and design management, Water Resource Management, Hydrological services, Landscaping project construction, Environmental consulting services, Ecological restoration and ecological protection services, Water environment pollution prevention and control services, Water pollution control, Environmental protection monitoring, Agricultural non-point source and heavy metal pollution prevention and control technical services, Research and development of unconventional water source utilization technology, Wastewater treatment and recycling, Mechanical equipment research and development, Machinery and equipment sales, Industrial automatic control system device manufacturing, Sales of industrial automatic control systems, Instrument Manufacturing, Instrument sales, Manufacturing of special instruments for environmental monitoring, Sales of special instruments for environmental monitoring, Electronics sales, Import and export of goods, Technology import and export, Import and export agent, Small and micro passenger car rental services, Housing rental, Non-residential real estate rentals, Enterprise Management Consulting, Conference and Exhibition Services, Business Training( No education or training、 Vocational skills training and other training that requires a license), Undertake archival service outsourcing, Property Management, Vegetable planting, Office supplies sales, Office equipment supplies sales, Sales of labor protection products, Typing and copying, graphic design, Advertising Design、 acting, Advertising Production, Advertising。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Construction project construction( Except for nuclear power plant construction and operation、 Civil airport construction), Construction labor subcontracting, document、Printing of materials and other printed materials, Accommodation Services, Catering Services。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)