Then complain to their politicians for agreeing to the deal. All deals are always 2 ways. If they don't like it they are free to live in isolation & produce all their needs on their own like they probably used to hundreds of years ago.

I once worked at a place that produced the only such & such. Our salesman was telling the story of one company complaining about the price, saying that they are going to go to our competitor. Our salesman told them to go ahead. He continued on by saying a few weeks later they must have figure it out & came back to order the parts