Depending whom you ask. If you ask Bejing then yes, it's China.
However, if you ask the manufacturer, they would say no, it's not China!
Just like if you ask those Hong Kong protesters, many of them are carrying a sign saying that they are not China and they are carrying the USA flags!
Back to the screen, it's made by Innolux in Taiwan which is a separate country that 81.9% of the population speak Taiwanese Hokkien at home.
The people in Taiwan say they are not China but China says yes they are!
These screens have gone through
hellish reliability testing like 90C / 194F for 500 hours and -40C / -40F for 500 hours still come out looking glorious.
The problem is, that hellish test has a time limit while real hell on earth is much longer than that!