Once a skillset and supply chain is lost, manufacturing a specific item absolutely may not be possible "now". You'd need to rebuild a supply chain and import skilled workers to get it happening.
Goo luck importing external highly skilled immigrants into current super-hostile US environment to undermine their own countries. Proper patriots would even sabotage such effort.
Sure you can massively overpay them, exacerbating the effect of massively rising prices for US domestic product.
