Licensed Projects: Power transmission、 powered by、 Installation of receiving power facilities、 Maintenance and testing。( 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.) General Projects: Instrument Manufacturing, Instrument sales, Instrument repair, Import and export of goods, Technology import and export, Import and export agent, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Electrical instrument manufacturing,Sales of electrical instruments and meters, Electronic measuring instrument manufacturing, Electronic measuring instrument sales, Power electronic components manufacturing, Sales of power electronic components, Electronic components and electromechanical assembly equipment manufacturing, Sales of electronic components and electromechanical components, Manufacturing of special equipment for electrical machinery, Network Technology Services, Sales of new energy vehicle production and testing equipment, Information system operation and maintenance services, Information system integration services, Software Development, Testing machine sales, Sales of special electronic equipment, Sales of integrated circuit chips and products, Electronic components retail, Mechanical and electrical equipment sales, Sales of experimental analysis instruments, Electronics sales, Sales of teaching equipment, Sales of railway-specific measuring or inspection instruments, Information technology consulting services, Internet of Things technology research and development, Data processing and storage support services, Computer system services, Software outsourcing services, Machinery and equipment rental, Battery Sales, Non-residential real estate rentals。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)