Will white flat glasses turn yellow?

The white plate will turn yellow because you have sweat stains and grease on your face. It's only a matter of time before it turns yellow. It depends on your usual maintenance and the quality of his own material. The white metal part, I don't know what your white is, if it is the silvery white of the metal itself-the color of the metal itself, not the kind of painting. Never fade. If it is painted pure white, it will definitely fade. No matter what color, no matter how good the glasses are, it is only a matter of time. The speed of fading depends on your maintenance and the quality of electroplating technology in other provinces!