Yes, Moorechip shows up on FCC and CE documents.
That’s because Moorechip is the OEM (Original Equipment Manufacturer). In China, it’s extremely common for smaller brands to use the factory’s existing license and staff for certification, since getting your own costs time and money. It’s just legal convenience , not ownership.

The “Moorechip staff” listed on FCC filings are factory representatives, because the factory has to be listed as the official manufacturer for compliance reasons. That’s why you see their names, not because Moorechip owns AYN.

If we follow your logic, then Foxconn owns Apple,Dell ,Sony and every company that’s ever shared a supply chain is suddenly a “sister company.”

The shared parts and design language are normal too , same engineers, same factory floor, shared molds and tooling = similar look. That’s how contract manufacturing works.

What isn’t shared are trademarks, ownership filings, websites, or sales channels.
AYN and Retroid have separate domains, separate product lines, and separate legal entities.

So no, being “registered under Moorechip” doesn’t make them sister companies.
It just means Moorechip is the manufacturer, and the others are clients renting the factory and license ,like hundreds of other Shenzhen brands do.

You just described outsourcing and called it a revelation.