Thickness of the real gold plating layer affect the quality of the fashion jewelry.

Below is the details:

1) normal palting thickness is about 0.03 um;

2) some customer use 0.05 um in order to make the plating color last long time;

3) for some brand, they use 0.1um thickness…

4) and most of the top brand, they use 0.3-0.5um thickness for real gold plating layer, but cost very high.