Tai'an Zhongyi Instrument Co., Ltd. was established on August 24, 2022, registered in No. 24 Dongyue Street, Taishan District, Tai'an City, Shandong Province, and the legal representative is Fan Zhonghua. The business scope includes general items: instrumentation sales; intelligent instrumentation sales; sales of electrical instruments and meters; Sales of supply instruments; instrumentation repair; sales of water pollutant monitoring and testing instruments; sales of special instruments for environmental monitoring; sales of electronic measuring instruments; R&D of distribution switch control equipment; sales of environmental emergency testing instruments; technical services, technology development, technical consulting, technology exchanges, technology transfers, and technology promotion; Magnetic material sales; ecological environment monitoring and testing instrument sales; Navigation, surveying and mapping, meteorological and marine special instrument sales; wholesale of hardware products; sales of drug testing instruments; integrated circuit sales; non-ferrous metal alloy sales; sales of power electronic components; sales of household appliances; information system integration services; intelligent robot sales; optical instrument sales; wholesale of computer software and hardware and auxiliary equipment; electronic components wholesale; sales of mechanical parts and parts; software development; integrated circuit chips and product sales; sales of high-performance non-ferrous metals and alloy materials; sales of electronic components and electromechanical components and equipment; sales of refrigeration and air conditioning equipment; synthetic material sales; sales of fire-fighting equipment; sales of intelligent power transmission and distribution and control equipment; metal structure sales; sales of advanced power electronics; sales of electronic vacuum devices; sales of mechanical and electrical equipment; sales of industrial automatic control system devices; Information Technology Consulting Services; machinery and equipment sales; Household appliance installation services; sales of distribution switch control equipment; electronic product sales; sales of electrical equipment; sales of lighting appliances; sales of electronic special equipment; sales of power facilities and equipment; sales of metal products; motor vehicle charging sales; charging control equipment rental; tram sales; charging pile sales; centralized fast charging stations; sales of electrical accessories for new energy vehicles; battery sales; sales of building materials; Information consulting services (excluding licensing information consulting services); sales of lightweight building materials; wire and cable management; sales of building decoration materials; sales of industrial control computers and systems; computer system services; artificial intelligence hardware sales; sales of rubber products; sales of new metal functional materials; metal material sales; sales of 3D printing basic materials; sales of plastic products; sales of electrical signal equipment and devices; new material technology promotion services; research and development of new material technology. (Except for projects subject to approval in accordance with the law, independent business activities are carried out in accordance with the law with a business license) Licensed projects: electrical installation services; installation, maintenance and testing of power transmission, power supply and receiving power facilities; Power supply business.