At this point in time, esp. given the raving lunacy of the US White House, those of us outside the "West", wonder the same thing about US companies.
So unless my local Chinese takeaway is classed as Chinese soil, I'll more than happily buy my phone from there
Most phones are already made over there anyway so know knows what kind of backdoor, listening devices are coded into the chips they put into 'Western Company's' phones.
The US invented it.
Doing this has a non negligible political cost. They would only do it for a high value target. If you're that person, you're presumably aware.
* I only recall one news report of this happening years ago.