Are you saying that China
imports MCBs and RCDs in numbers? (The brands are French, German, Japanese and Australian, respectively.)
Slightly off topic: I've been wiring control cabinets for the past months and all the components have four listings: European CE, Amrican UL, Canadian CSA or ULc and Chinese CCC. Despite the prominent "Made in Germany" and "Made in France", none carry German or French volountary listings, like VDE. A sign of the times, I think