Ceramic ring, high strength, good toughness, high hardness, strong compression and impact resistance, no wear and scratch
Ceramic ring, with high dielectric constant, good insulation and sensitive signal, can realize wireless charging
Ceramic ring has round color, high refractive index and strong dispersion.
Ceramic shell, visual and tactile comfort, strong jade quality, good skin affinity, low thermal conductivity, beautiful appearance, customizable color
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