The business scope includes research and development, manufacturing, and sales of medium and high voltage distribution switches and control equipment, low-voltage distribution switches and control equipment, specialized low-voltage electrical appliances, electrical transmission automation control equipment, power control or distribution distribution boards, panels, consoles, control cabinets, integrated power circuits, relays, relay protection and automation devices, power electronic devices and related accessories, new energy control systems and equipment, electrical energy instruments AC/DC measurement instruments, computer systems for power supply and distribution control, decentralized control systems, fieldbus control systems, new energy and solar photovoltaic power generation equipment; Design, construction, operation, maintenance, and management services for solar photovoltaic power stations; Technical consulting services for new energy and solar photovoltaic products; Mold design and manufacturing, computer software development; Selling raw and auxiliary materials, parts, and components for the aforementioned products; Rental of self owned houses; Engage in the import and export of goods and technology, except for goods and technologies that are restricted or prohibited by the state for company operation or import and export.