"Atkins & Hoyle Ltd. - #1 Davits, Cranes, Hatches, Ports, Hardtops"
wrote in news:3b55d8bc-b1e1-4bda-92dd-
:

From our perspective, the market for cast bronze ports is
very small, as we usually deal with individual clients instead of boat
builders these days.

To build for boat builders, you'd need a plastics plant, not
metalworking....