General Projects: Sales of distribution switch control equipment; General equipment repair; Mechanical and electrical equipment sales; Mechanical and electrical equipment manufacturing; Electrical equipment repair; Electrical equipment sales; Electronic component manufacturing; Electronic components retail; Sales of electronic components and electromechanical components; Electronic components and electromechanical assembly equipment manufacturing; Sales of special electronic materials; Electronic special equipment manufacturing; Electronic components wholesale; Pharmaceutical equipment sales; Manufacturing of electrical signal equipment; Artificial intelligence application software development; Software Development; Software outsourcing services; electronic( gas) Manufacturing of physical equipment and other electronic equipment; Instrument repair; Electrical instrument manufacturing; Instrument Manufacturing; Supply instrument manufacturing; Instrument sales; Intelligent instrument manufacturing;Sales of electrical instruments and meters; Sales of smart instruments; Supply of commercial instruments and meters; Refrigeration、 Air conditioning equipment manufacturing; Refrigeration、 Air conditioning equipment sales; Special equipment repair; Special equipment manufacturing( Excluding licensed professional equipment manufacturing); electronic、 Mechanical equipment maintenance( Excluding special equipment); Manufacturing of special equipment for electrical machinery; Manufacturing of special teaching instruments; Experimental analysis instrument manufacturing; Sales of experimental analysis instruments; R&D of distribution switch control equipment; Distribution switch control equipment manufacturing; Communications equipment sales; Communications equipment manufacturing; Metal product research and development; Metal product sales; Metal product repair; Satellite navigation multi-mode enhanced application service system integration; Artificial Intelligence Entrepreneurship and Innovation Service Platform; Sales of consumer service robots; Service consumption robot manufacturing; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Artificial Intelligence Public Service Platform Technical Consulting Services; Internet of Things Technology Services; Security Consulting Services; Purchasing agent services; Metrology technical services;Supply Chain Management Services; Cooling services; Data processing services; IoT application services; Digital Technology Services; Energy-saving management services; Information system operation and maintenance services; Engineering Management Services; Gas compression machinery manufacturing; Gas compression machinery sales; Sales of non-electrical household appliances; Sales of new energy vehicle electrical accessories; Solar thermal equipment sales; Sales of power transmission, transformation and distribution monitoring and control equipment; Power transmission, transformation and distribution monitoring and control equipment manufacturing; Machinery and equipment rental; Machinery and equipment sales; Mechanical equipment research and development; Rental Services( No licensed rental services); Construction machinery and equipment rental; Retail of computer software, hardware and auxiliary equipment; Wholesale of computer hardware, software and auxiliary equipment; Power transmission, distribution and control equipment manufacturing; Sales of intelligent power transmission, distribution and control equipment; fan、 Fan Manufacturing; fan、 Fan Sales; Metallurgical special equipment manufacturing; Sales of metallurgical equipment; Coating equipment manufacturing; Coating equipment sales; Internet sales( Except for the sale of goods that require a license); Smart vehicle equipment sales; Intelligent vehicle equipment manufacturing; Network equipment manufacturing; Network equipment sales; Manufacturing of special equipment for agricultural and sideline food processing; Sales of special equipment for agricultural and sideline food processing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Integrated circuit chip and product manufacturing; Industrial robot manufacturing; Industrial robot sales; Industrial robot installation、 repair; Sales of intelligent logistics equipment for agricultural products; Intelligent robot sales; Research and development of intelligent robots; Artificial intelligence industry application system integration services; AI hardware sales;Chemical product sales( Does not contain permitted chemical products); Import and export of goods; Technology import and export; Import and export agent; Research and development of technologies for harmless resource utilization of agricultural and forestry waste; Research and development of high-efficiency energy-saving technologies in the power industry; Sales of special packaging equipment; Manufacturing of special packaging equipment; Packaging services; Environmental consulting services; Network Technology Services; Engineering and technical services( Planning Management、 Survey、 design、 Except supervision); Fire protection technical services; Forestry professional and auxiliary activities; oil refining、 Manufacturing of special equipment for chemical production; oil refining、 Sales of special equipment for chemical production。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license) Licensed Projects: Construction project construction( Except for nuclear power plant construction and operation、 Civil airport construction); Construction project construction; Electrical installation services; Inspection and testing services; Sterilization equipment production; Disinfection equipment sales; Civil aircraft maintenance; Surveying and mapping services; Road motor vehicle production。( 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.)