Double protection of rusting issue:

Super high Zn-al coating(80-150g/m2) of the base board and HDP painting on the surface, can last at least 15-25 years with no rusting;

Effectively prevent the color fading problem:

HDP painting have excellent performance on fading resistance, able to last 8-25 years(depanding on different weatherability levels);

Different Color selection:

the customization of painting color is much easier than stone coating, you can have more color options.