Control placement of manufacturing number
AFAIU, all orders placed through the standard PCB service get a "manufacturing number" added on the silkscreen to facilitate production. Currently, seeed places these numbers (which I assume is a manual action?).
It would be good if you could control the placement of this number, to better integrate it with the PCB design and make the result more pleasing to look at. For Seeed, this might remove a manual action from the process, saving time and cost.
I could imagine that this placement is done by a specially sized box on the silkscreen, or better a completely separate layer ("comments" layer perhaps?).