Changsha Ai Yi Di Electronic Technology

Display systems, acoustic and optical, for rail and road transport (station information systems), Electronic equipment. Telecommunications equipment, Electrical, Electronics & Optical, Display screens, advertising and information, electronic, Electronic information display systems, Display boards and charts, electric, outdoor, Electrical equipment. Nuclear equipment, Light emitting diode (LED) displays, Display boards, electric, Lighting equipment, light emitting diode (LED)