The 15th Research Institute of CETC has set the national defense service direction since 1958, and set up Taiji Computer Corporation in 1987. It made an outstanding contribution to the national defense and national economy informatization construction. It is mainly engaged in military model development, basic research, National Science and technology research, military Command automation Research and development of major projects such as the application of military aerospace measurement and control system. It also provides computer and equipment for the building of national defense information, and providess Computer application system for the development of various fields of the national economy.

For overseas cooperation, North China Institute of computing technology has always attached great importance to international exchanges and cooperation. It has already established  a long-term stable cooperative relations with the well-known computer manufacturers and research institutions in United States, Germany, Japan, Singapore and other countries and builded a closer strategic partnership with the IBM SUN, Cisco, HP, Oracle those international well-known enterprises.