China Marine Information Electronics Company Limited engages in the research and development, manufacture, and sale of electronic defense equipment and electronic information equipment in China. It offers underwater information transmission equipment, underwater weapon system, special power products for ships, and other special equipment, as well as stress screening tests of electromechanical and electronic products. It also provides fire extinguishing devices; automotive electronics; energy power supply products; packaging electrical control systems; and high-power DC products. The company is based in Beijing, China.