I would bet the unit volume of manufacturing with those 4.6T is more than double that of 5.5T. And those 5.5T likely have some very high value, high margin leading edge equipment.
Not only is China catching up to those sectors, they are continuing their momentum to accelerate and expand in other low value market. They key here isn't to maximise profits, it is to maximise control.
If Trade is war, which is the fundamental of principle of what "Art of War" is about, then I dont see how the west could win this war without some very drastic changes.