You misunderstood your neighbor's ppl. Most of them are so busy working to subsist and have no mood to pay attention to national or international affairs. They do not hate any country. A few of them may be happy when J-20 came out, then what, just subsist as usual. Remeber, few can not represent...
There are always patriotics who love their countries so much but do not want to pay any attention to their suffering compatriot who willingly or not willingly sacrifice.
In reality, they are much kinder to foreigners especially westerners.
High-end machine tools production is another story. Ever heard of Toshiba USSR incident in 1980s? Those seemed to be nine-axis machine tools. US certainly is not the best. EU especially Germany is.
Yes, they won't publicly say that. What about some analysis article? I can just see some Chinese keep saying this. Chinese or the US will destroy this planet just to make sure they will not be conqued. The europe will still want to conque wastelands in a nuclear winter.
I know Peking has many education resources. But show some evidence please, that China will nuke countries which will not attack China first. Check the percentage of imported instruments or machine tools used in labs, factories. Go to hospital 301 or somewhere and see if there are any high-end...