Improved importer control

For better resource control it would be great if we can select what a importer brings into the factory.

When there are multiple Importers service a small area, it would be nice to limit some to a few items like the stock pile does. This would also make stock piles better in that we could setup a Importer just to send the items it needs and keep it stocked.

i agree

I agree aswell - especially because in the real world a modern car factory has loads of Importer “windows” (actually those are loading ramps) next to the production line where trucks of just-in-time deliver parts directly to the line.

Brakes Wheels Bolt/Nuts
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related:
Fix for stockpiles (buffering / balancing supply lines)
Suggestions - UI / Converyor / Map