A J-20A landing at Chengdu AC airfield.
It has been alleged by Cute Orca that they (the authorities) are going to remove the high ground where the videographer took this video at, hence such views will not be available in the future...
Looks like there are also at least four J-20 airframes under the shelters in the background in primer (one shelter obscured by the sign, which may have an aircraft under it or not).
Not surprising in any form of course, and doesn't really add anything which we don't already know (i.e.: production of J-20 continues apace and we have not a hope in hell of trying to get updates of production count).
In the video to the right side of our perspective out of frame, but visible in the video, is a single engine fighter (JF-17 or J-10, not 100% clear) under another shelter.