So the wiki you quoted is the bible and any source saying otherwise is right-deviationism nationalism or otherwise anti socialist element. Or heresy.
factory can be picked up and moved across state lines
Exactly this.
what happened with these
We don't know, USSR didn't tell us.
Why
Wealth. Industry. Money.
Socialist Poland saw rapid economic development
Hahahaha. We would literally be better off getting the full restitution from Germany. Instead USSR took it too, and told us they will lend us about 15% of it to rebuild.
To be fair, some new technology from USSR was licensed to Poland, but it was expected that the goods will be paid as tribute ("Sold" to USSR at the value below production cost. Source: again, Rolicki pro-PRL historian).
and as such the right-wing nationalists fought against the Socialist system.
Poland was given to USSR as tribute. We never had a revolution, nor did we want to join USSR. We were broken by Nazis and then finished off by Ruskich. Unless you count everybody as right wing nationalist, Polish people had enough bad history with Russia to not want to be under them.
But this is pointless. To you I'm right wing nationalist or something, to me you're romanticising USSR, inventing "facts" left and right. You quote a form of wikipedia made by ???, I quote left-wing pro-PRL historian who remembers and read official documents.