Licensed Projects: Construction project construction, Construction Engineering Survey, Construction Engineering Design, Residential interior decoration, Construction labor subcontracting, Professional construction work, Professional river dredging construction operations, Highway management and maintenance, Roadbed and pavement maintenance work, Water conservancy project quality inspection, Water conservancy project construction supervision, Construction project supervision, Construction project quality inspection, Production of prestressed concrete simply supported beams for railway bridges。( 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.) General Projects:Earthwork construction, Metal door and window construction, Landscaping project construction, Engineering Management Services, Sales of photovoltaic equipment and components, Photovoltaic equipment and components manufacturing, Solar power generation technology services, Wind power technology services, Energy Performance Contracting, Foreign contracting projects, Municipal facilities management, Sports venue facility construction, Office supplies sales,Office equipment sales, Furniture installation and repair services, Advertising Design、 acting, Advertising Production, Advertising, Building materials sales, Electrical equipment sales, Machinery and equipment sales, General mechanical equipment installation services, Firefighting equipment sales, Home appliance sales, Home appliance installation services, Machinery and equipment rental, Construction machinery and equipment rental, R&D of special electronic materials, Mechanical equipment research and development, New material technology research and development, New material technology promotion service,5G Communication technology services, Software Development, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Import and export of goods, Technology import and export。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)