No way. China already has the Type 15. The MBT will either use 125mm gun or higher caliber.
I think China might purchase some Armata vehicles from Russia for evaluation of the technology.
As is the technology in the VT-4 tank is sufficient to meet all current demands.
But I still think China needs better tanks in case of engagement with South Korean and US tanks.
No, I actually don't think that is gonna be the case.
Again, just going over this thread as well as various post and videos in chinese, it very much seems like since the type 15, they have been experimenting and developing some 4th gen tank that is NOT over 40 tons.
What's more, it seems like they somehow has improved the 105 mm gun on the type 15 to be about as strong as the 125 mm on the type 96/99, and that they are quite deep in something like ETC guns (think the question should only be a when and not if).
EDIT: Also I think it's gonna be more than just a tank, it's gonna most likely end up as some kind of family, quite possible with a shared bottom and the likes.
Also remember this is the PLA, they can very much afford to have more specialised vehicles (such as against air) so not everything has to be on tanks.
And again, they might make some 50 or 55 tons tank, although from the looks of it, it will be AFTER their next one (40 tons max)