Right. The one what I have received for replacement seemed to be a part of a faulty or "used for spare" Pro1.
(It had some missing ground springs but otherwise was in good condition.)
For manufacturing, basially they need gerber files (for PCB manufacturing), BOM ("bill of materials", basically parts and parts to designator list) and Pick&Place File (basically parts designator positions), latter files for soldering components.
These are the necessary parts for manufacturing, and naturally components are also need to be available.
If above files are not available (and also CAD