Kautex Textron, Caerphilly is facing possible closure and the loss of about 200 automotive jobs.
The US owned car parts firm at Ystrad Mynach makes washer components for global manufacturers but has been hit by Brexit costs and clients wishes to buy parts from suppliers closer to their vehicle assembly plants.
Welsh Government said it is in talks with the company and is concerned by the developments and the company has told media it is looking for alternative products or realigning its Welsh operations.
