That sounds more like China backed down than the US did.
The EU is a lot weaker than China. China dominates critical areas of manufacturing, and does not have the level of dependence Europe (non-EU as well) has on the US - I hardly need remind people here of the dependence in IT systems.
Trump tends to present trade as a zero sum game, but it very much isn’t; outside of limited scenarios (generally developing countries protecting otherwise unviable local industry with targeted tariffs), tariffs generally hurt both sides.
The real thinking is that being a net importer gives you more negotiating power so you can use that to get a better deal.
its well worth looking at what people like Miran and Bessent said (before they were in government) to see what is driving all this.
I'm glad the American people at least know how weak the EU is, we should elect someone next time that will bring those tariffs up to 100%, and the EU will have to take it because it's better than a 200% tariff alternative. That's just being realistic, right?