Indonesia has more, it currently ranks 10th, whereas Canada didn't break top 10 (
https://globalupside.com/top-10-manufacturing-countries-in-the-world/)
Looking at 2018 data, it seems that Indonesia is the only country that's 3rd world, and is outside of BRICS that beats out Canada, but Thailand isn't too far away. (
https://www.indexmundi.com/facts/indicators/NV.IND.MANF.CD/rankings)
Don't worry you have until 2036 before the USMCA agreement expires.
That would put it somewhere in Ukraine, or Belarus. My guess is Ukraine. Though it's also possible he's from Malaysia, given that his country seems to have quite a diverse economy since he mentioned he has an engineering profession, but didn't mention which field. Amongst the so-called 3rd world nations, Malaysia enjoys a relatively diverse economy, higher income, and more powerful passport, which makes sense since he did mention once that one of his backup plans was to stay where he is.