Tailless Fighter-Like Airframe Spotted At Chinese Jet Manufacturer's Test Airfield
The object in question looks very much like a tailless fighter design similar to the U.S. X-44 Manta and new NGAD concepts.
By Tyler Rogoway October 30, 2021
https://www.thedrive.com/the-war-zone/42937/tailless-fighter-like-airframe-spotted-at-chinese-fighter-jet-manufacturers-test-airfield

成都の方でそれっぽいものが撮影されたとのこと
尾翼がないらしいので新型機かも知れないと言われている