Together with the ground force, the PLAAF is also moving away from her traditional Division/Regiment orbat structure to a smaller Brigade/Dadui one. Under each Dadui is a Zhongdui/squadron. The smallest unit is a Zhandou Fendui / Combat Detachment, which is under a Zhongdui
Air Brigade > Dadui > Zhongdui > Fendui
Also noted that a Dadui commander in this new Brigade structure has
a "battalion grade" while the deputy commander of the air brigade has a "regiment grade".
Picture of J-10C of the 131st Air Brigade, Southern Theater Command (Number 74528)