They make the wings for the A220-100 and A220-300 there, and development of the A220-500 wing. The -500 wing is rumored to be used to upgrade the A320neo as well.
With that sort of tooling and backlog, it wont shut down.
The plane-and-train maker said it would unite its corporate and regional jet units into one aviation division while selling off two aerostructures operations including a wing-making facility in Belfast.
https://www.nasdaq.com/article/bomba...20190502-00195