https://www.voleybolunsesi.com…p?cid=13&id=42522&topic=2
According to this interview, Turkey wants to organize one of the legs of group matches that China is supposed to do and the finals. He said they will hear the final decision from FIVB soon. Since Germany is in the same group, it would be easier for them to travel to Turkey instead of CHN.
By the way, I wonder if ITA and KOR will keep being hosts or other teams will volunteer to take over