Company record
John McDonnell Enterprises delivers electronic engineering and design solutions, providing custom cable fabrication and printed circuit board (PCB) assembly, manufacturing, prototyping, and repair capabilities. The service portfolio also encompasses electronic design and engineering, electronic repairs, PCB prototypes, PCB manufacturing, PCB assembly, PCB repairs, and wire‑harness production. In addition, the firm offers refrigerated seawater systems and marine descalers.
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