
We all know that from a rational point of view, tungsten carbide ring can be used as decorations; from a perceptual point of view, tungsten carbide ring is not just decorations, because it can add a bit of personality and fashion sense to the trend. Not only that, the specially designed tungsten carbide ring can also be used for self-defense. Moreover, this hard, diamond-like ring can also be used to break the window and escape. In the end, the “black…