8543100000 under HS Code Others, 8540208000 under HS Code Others, and 8540990000 under HS Code THERMIONIC, COLD CATHODE OR PHOTO-CATHODE VALVES AND TUBES (FOR EXAMPLE, VACUUM OR VAPOUR OR GAS FILLED VALVES AND TUBES, MERCURY ARC RECTIFYING VALVES AND TUBES, CATHODE-RAY TUBES, TELEVISION CAMERA TUBES) - PARTS: OTHER. were the top exported HS Codes by FSUE ALL RUSSIAN Research Institute of Automation named after N L Dukhov VNIIA in 2021.