🇺🇦 haxadecimal on Nostr: Even when they do know, you have to emphasize "hard gold" and plating thickness, or ...

Even when they do know, you have to emphasize "hard gold" and plating thickness, or you'll get crap.
I've not personally encountered a Chinese PCB fab that didn't know what gold edge fingers were, but I've mostly used fabs that routinely deal with western customers.
Did you try sending them your photo?