The business scope includes the research and development of Internet of Things technology; Engineering and technical research and test development; Research and development of intelligent robots; Artificial intelligence theory and algorithm software development; Information system integration service; Integrated circuit design; Manufacturing of special electronic equipment; Manufacturing of special packaging equipment; Manufacturing of offshore engineering equipment; Manufacturing of special equipment for commerce, catering and service; Manufacturing of radar and supporting equipment; Manufacturing of special equipment for plastic processing; Software outsourcing services; Professional design services; Industrial design services; General mechanical equipment installation services; Residential water and electricity installation and maintenance services; Sales of vending machines; Wire and cable business; Sales of machinery parts for agriculture, forestry, animal husbandry and fishery; Sales of electrical and mechanical equipment; Sales of electrical equipment; Wholesale of computer software, hardware and auxiliary equipment; Wholesale of hardware products; Sales of electronic products; Intelligent robot sales; Sales of special equipment for geological exploration; Security equipment sales; Sales of building decoration materials; Sales of metal materials; Sales of plastic products; Lime and gypsum sales; Electrical equipment sales; Sales of power distribution switch control equipment; Sales of daily glassware; Manufacturing of metal products for safety and fire protection; Sales of metal products; Manufacturing of special equipment; Inspection and testing service