Consistent coating thickness, so it doesn’t peel or fade.
Precision welding and polishing, giving it a seamless look.
Material certification, often SS 304 or SS 316 for harsh environments.
The right slotting or shaping if it’s meant for glass or structural support.
A reputable manufacturer will also offer customization for size, slot design, and even unique shades like antique gold or champagne PVD.