I found it odd it was not branded as AP, and I think this is either a team up on a product or build or they are just promoting aimtron's new news and trolling pinball....
If you see, aimtron is in the post and also aimtron themselves posted that announcement.
https://www.aimtron.com/

They do quick turn, pcb and bga so board manufacture. Maybe they are joint announcing a new custom board set but unless they are diving into a homebrew market, why go up against p3?

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Franchi on his podcast said it was nothing, and spoke with them about how it would be trolling the pinball ppl... so could be nothing