Please do recall that the USSR was effectively on the same side as Germany for the first two years of the war.
You're also changing the goalposts. We're talking about 1939, not 1941, which was after two years of herculean production.
https://defense.info/re-thinking-strategy/2018/10/oil-and-wa...
By 1939 Germany was at less than half of its peak, and only 24% (replaceable, 1936 composition) came from Romania+USSR.