General Projects: Sales of photovoltaic equipment and components, Photovoltaic power generation equipment leasing, Solar power generation technology services, Sales of wind turbines and parts, Wind power technology services, Energy storage technology services, Sales of generators and generator sets, Charging pile sales, Charging control equipment rental, New energy prime mover equipment sales, Emerging energy technology research and development,Labor Services( Excluding labor dispatch), General mechanical equipment installation services, Pipeline transportation equipment sales, Foreign contracting projects, Engineering Management Services, Resource recycling technology research and development, Anti-corrosion material sales, Insulation material sales, Carbon reduction、 Carbon conversion、 Carbon capture、 Carbon sequestration technology research and development, Environmental consulting services, Energy-saving management services, Energy recovery system development, Greenhouse gas emission control technology research and development, New material technology research and development, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Online energy metering technology research and development, Energy Performance Contracting, Sales of ecological environment monitoring and testing instruments, Software Development, Retail of computer software, hardware and auxiliary equipment, Domestic trade agent, Import and export of goods, Technology import and export( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)