An excellent team in the air surveying and mapping navigation system; maintains a good corporative relationship with the Central Committee of the Military Commission, the National Air Traffic Control Committee, and the air force and civil aviation management bureaus of various theaters; strong advantages in airspace application and aircraft dispatch; we own the qualification for the confidential research and production of weapons and equipment and also dual qualifications for military / civilian airport flight program design. Digsur provides airspace structure planning, airspace capacity assessment, flight procedure design and other navigation technical services for over 70 domestic military and civilian airports and domestic new military and civilian aircraft types.