In this case it's a EU company serving either an EU built model or a Chinese model. For the Chinese models they are not forwarding the requests to China, the model is still running in EU.
GCBD operates the iCloud China service with Apple, and I imagine Apple, Inc and its associated LEA portal/systems does not have access (otherwise there's no chance China would let iCloud China be a thing).
This is also where the words of law and pragmatic reality intercede.
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> ... As opposed to sending to Anthropic, Microsoft or Google. Granted, those companies can assert that data will stay in the EU region too, but they'd have to be believed, which, some may find tricky lately
The government can just force release, even if it's on European servers.