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Ah, their eBay store seems to have disappeared as well! I found an email address, I'll send you it in a DM. It might be easier and cheaper to source something from the US though. I think there were a couple of options from different brands when I was looking. If you search for "130BCD 3 3/32 chainring" or similar I'm sure you'll find something. (I'm guessing at the BCD of those cranks being the same as mine so worth checking!
No, this place.
I got mine from their eBay store.