Sapphire Substrate/wafer for Customizable Dimensions c-plane、a-plane 2inch 3 inch 4 inch

sapphire wafer sapphire substrate
TOP 1 Exceeding Sapphire crystal watch case waterproof, scratch-resistant, pressure-resistant

Sapphire watch case provides durability and elegance, enhancing timepiece aesthetics with its scratch-resistant and transparent properties.
