This blueprint produces 2 rockets per min from ores on Vulcanus
The type of incoming and outgoing resources is indicated on the display panel. All you need to do is to deliver resources to the underground belts and pipes. It is also necessary to remove the stone from the factory
Inside of blueprint book you'll frind some versions of rocket factory
They are divided by the number of missile silos: 1, 2, 4 silos or S-Supply (Rocket building components come from passive provider chests, and you build rocket silos yourself wherever you want)
I will be very glad for your like support, you can also check other blueprints in my profile