What is the relationship between 6 1 1 research institute and 3 12 factory?
It doesn't matter. China Air-to-Air Missile Research Institute referred to in 6 12 and China Air-to-Air Missile Research Institute referred to in 2 13 are national R&D bases specializing in R&D and mass production of air-to-air missiles, launchers, ground detection equipment, airborne photoelectric equipment and their derivatives. Research areas include missile overall design and guidance.