Translate the following English sentence to French:
"The problem is that the support which this production has relied on is coming to an end, while the severe production conditions have not changed, and the competition from third country production has become tougher."
Le problème est que l'aide dont bénéficiaient ces productions arrive à son terme, alors que les conditions de production sévères n'ont pas changé et que la concurrence des productions provenant de pays tiers s'est renforcée.