Hardware and software technology development, sales, engineering construction, door-to-door installation and technical maintenance of optical fiber sensing temperature measuring system equipment, industrial monitoring equipment, photoelectric modules and subsystems, and communication equipment; Technical development, design and technical services of power equipment, electronic products, instrumentation, video surveillance equipment, computer system monitoring equipment; Computer information system, control system design, software integration, debugging and technical services; Sales of power equipment, electronic products, computer monitoring products, control system products, video surveillance system products, low-voltage electrical appliances, wire clips; Research and development of cable online monitoring system, partial discharge system, sheath circulation online monitoring system, optical fiber temperature measurement system. Licensed business projects are: optical fiber analyzer production, temperature sensing optical fiber production; Production of cable on-line monitoring system, partial discharge system, sheath circulation on-line monitoring system and optical fiber temperature measurement system; Fire equipment production, security equipment production, campus electricity safety monitoring and early warning system production, campus current overload disaster prevention system production, partial discharge detector production, protective layer circulation detector production, perimeter security detector production, ACU area control unit detector production, fiber optic vibration detector production; Electronic and intelligent engineering; Fire-fighting facilities engineering; Mechanical and electrical installation works.