ILJIN Group (also known as ILJIN Holdings, 일진홀딩스(주)) is a company active in the electrical infrastructure, materials, parts, construction, and lighting, medical systems, broadcasting, and IT industries. Its electrical infrastructure business provides electric cables, copper wire, aluminum alloys, and high-voltage devices, and supports the development, transmission, and transformation of electricity. The materials business offers electric foils, diamond powder, tungsten carbide, sapphire ingots and wafers, and other diamond-based products. The parts business develops and manufactures touchscreen panels for smartphones and tablets, special steel tubes, and composite material products. The construction and lighting business provides civil and industrial construction services, LED lighting, and display products. The medical, broadcasting, and IT business includes ultrasound medical systems, TV broadcasting, system integration and maintenance, IT infrastructure operation, and consulting.