Licensed business items: Import and export of goods; Technology import and export; Import and export agent; Power transmission、 powered by、 Installation of receiving power facilities、 Maintenance and testing; Power generation business、 Power transmission business、 for( match) Electricity business; Construction project construction; Construction labor subcontracting( Licensed business items are operated with licenses) General business items: Sales of intelligent power transmission, distribution and control equipment; Sales of distribution switch control equipment; Sales of power transmission, transformation and distribution monitoring and control equipment; Safety technology prevention system design and construction services; Agricultural non-point source and heavy metal pollution prevention and control technical services; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Information technology consulting services; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Software Development; Agricultural machinery sales; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Rental Services( No licensed rental services); Sales of building decoration materials; Building materials sales; Lightweight building materials sales; Hardware product retail; furniture sales; Software Sales; Sales of special packaging equipment; Metal tool sales; Information system integration services; Computer system services; Security system monitoring services; Satellite technology comprehensive application system integration; Digital Technology Services; Packaging services; Digital video surveillance system sales; Industrial control computers and systems sales; Digital content production services( Excluding publishing and distribution); Network Technology Services; Information consulting services( No licensing information consulting services); Agricultural machinery services; Agricultural machinery rental; Agricultural professions and auxiliary activities; Smart agricultural management; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Rural folk crafts and products、 Development and management of leisure agriculture and rural tourism resources; Sales of intelligent agricultural machinery and equipment; IoT application services; Crop cultivation services; Sales of special electronic materials; Security equipment sales; Firefighting equipment sales; Security equipment manufacturing; Diving and salvage equipment sales; Intelligent unmanned aerial vehicle manufacturing; Smart UAV sales; Artificial intelligence industry application system integration services; Machinery and equipment sales; Sales Agent; Wholesale of computer hardware, software and auxiliary equipment; Retail of computer software, hardware and auxiliary equipment; Computer and office equipment repair;Computer and communication equipment rental; Electronics sales; Information system operation and maintenance services; Information security equipment sales; Machinery and equipment rental; Internet equipment sales; Advertising Production; Advertising; Advertising Design、 acting; Digital Advertising Production; Digital advertising; Digital Advertising Design、 acting;Chemical product sales( Does not contain permitted chemical products); Timber sales; Metal material sales; Hardware wholesale; Conference and Exhibition Services;Supply Chain Management Services; Blockchain technology-related software and services;Brand Management; Wholesale of edible agricultural products; Sales of intelligent basic manufacturing equipment; Electronic components retail; electronic、 Mechanical equipment maintenance( Excluding special equipment); Sales of power electronic components( General business items within the business scope are independently carried out in accordance with the law, Through the National Enterprise Credit Information Publicity System( Hainan) Public disclosure to the public)( Self-management of general business projects, Licensed business projects are operated with relevant licenses or approval documents)( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments。