In other words, US is about to lose its hegemony and it's doing whatever it can to maintain. But doing this will not only hurt Chinese companies as US counterpa

In other words, US is about to lose its hegemony and it's doing whatever it can to maintain. But doing this will not only hurt Chinese companies as US counterparties also lose a revenue source and in turn reducing their capacities in researching which are essential to keep their cutting edge. Such move for sure can slow down China for a while, at the same time also helped China to learn that there is always something it should not only buy from other countries in a hard way. But once China overcomes from that, what else can US do?