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The new producktion building from high life isn't effectet by trade union buildings. 
The new producktion building from high life isn't effectet by trade union buildings.
This is not a bug but working as intended.
Have a look at our DevBlog for more details, but in short: The new factories from "Tourist Season" and "The High Life" are not impacted by existing items. However, with Game Update 12 last week we introduced several new items specifically designed for these new buildings, so if you want to optimise, there are now ways to do that.
Hey there, @lecomte38u 
I've merged your topic into an existing one, which includes a response on this topic from Ubi-Thorlof - you'll find it above.
Let us know if you've any further thoughts on this!