The 20th Research Institute of CETC is mainly engaged in navigation, radar and communication system for military and civil engineering system engineering research, design and production. It has a strong R & D advantage of Electronic Science and technology and production capacity, which is the research base of radio navigation and satellite navigation, fire control radar and data communication. It focuses on the scientific and technological knowledge, science and technology and makes effort on navigation, radar, communication, which has Achieved 188 scientific research achievement awards and awarded the outstanding contributions Award on “high-tech weaponry development and Construction Engineering ". At the same time, it has created an excellent team of science and technology, laid the foundation for talent innovation.