i think it is highly doubtful, switching refueling configuration is a pretty significant effort and i would assume china will be locked into drogue fueling for the forseeable future. the usaf only went with boom fueling because of strategic air command and my understanding is that it was more of a concept borne from sac's ww2 experience of massive formations of heavy bombers. things have changed somewhat in the half century since and i suspect at the doctrinal level china may never be looking at that sort of scaling.