Most of fashion jewelries are use brass, iron, s.steel…and plated with silver color, or gold, or rose gold.

If one items already palted with silver, and you want to replate, it will be no problem for palting factory.

But one thing you need to aware is, some of fahsion jewelry apply with anti-tranish protection, with e-coating oil on the metal surface, so, before you do the replate, you need to remove the protection oil first, any way, plating factory konw how to handle it.