Sapphires are always in price and outgoing elements too, for example, I didn’t even know that polished sapphire substrates are used as in LED optics / watch glasses to huge windows/mirrors all of them are produced by the worldwide artificial sapphire manufacturer this isn't news for u ??
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Sapphires are always in price and outgoing elements too, for example, I didn’t even know that polished sapphire substrates are used as in LED optics / watch glasses to huge windows/mirrors all of them are produced by the worldwide artificial sapphire manufacturer this isn't news for u ??