While correct, in this specific case I think it should be translated as "To factory". Mostly because the factory is an established istitution and it makes it clear where Reimu is going.
Alright, everyone
We're goin' back to the factory-*Pulls out!*Gugugu...*Putting strength...*Yuuyuoh-Piii
Mishter Fash...
Cant...pull ouch...maybe she can be recycled...Well still, since she can still recognize the Patchouli without her accessory*Slam!*FactoryTo be disposedTo be processedConfirmation requiredYufuWefweshed!Little one!Yu!?
Yuwaaa
The shky!Yu?