The avionics workshop now has more than 300 test equipment, including over 100 self-made equipment and 30 automatic test equipment. There are more than 1100 maintenance capabilities (9000 part numbers) approved, involving electrical, instrument, communication, navigation, entertainment, display and many other aircraft systems. TELEDYNE original test bench, ADTS series test equipment, MARCONI AEROFLEX radio comprehensive tester, Aeroflex series equipment, etc. can perform maintenance on the ADF, VOR, ILS, GCU, ZTC, ISFD and other components, so as to provide customers with efficient and convenient maintenance services.