Well Norma Editorial, is from Sapin, and not from latin america, I'm going to put a list of the publishers in latin america. I'm from Mexico, and I like the translation they put here, they put all kurogane nicks, and "Editorial Vid" keep the syaoran-kun from sakura
Publisher of the TRC manga in latinamerica
Mexico "Editorial Vid" (in spanish)
Brazil "Editora JBC" (in portuguese)
And i don't know if "Editorial Ivera" in Argentina is doing the manga, but the oficial ones are México and Brazil.
I hpe this works for you