General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Emerging energy technology research and development, Mechanical equipment research and development, Sales of special equipment for environmental protection, gas、 Liquid separation and purification equipment sales, Refrigeration、 Air conditioning equipment sales, Home appliance sales, Metal structure sales, Hardware wholesale, Hardware product retail, Sales of special electronic equipment, Sales of power electronic components, Electronics sales, Machinery and equipment sales, Electronic components wholesale, Metal product sales, Instrument sales, Sales of experimental analysis instruments, Municipal facilities management, Safety technology prevention system design and construction services, General mechanical equipment installation services, Greenhouse gas emission control technology research and development, Carbon reduction、 Carbon conversion、 Carbon capture、 Carbon sequestration technology research and development, Research and development of unconventional water source utilization technology, Resource recycling technology research and development, Manufacturing of special machinery and equipment for water resources, Professional design services, Industrial Design Services, Manufacturing of special equipment for environmental protection, Technology import and export, Import and export of goods, Import and export agent, Food import and export。( 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, Construction Engineering Design, Power transmission、 powered by、 Installation of receiving power facilities、 Maintenance and testing, Building intelligent system design, Construction labor subcontracting。( 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.)