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scratch resistant sapphire crystal watch case
Selling leads
Product description of sapphire fiber Sapphire is a material resistant to chemical corrosion and scratching, with a melting point of 2,072°C. MMI ...
2025-05-06 20:43:31
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ZMSH is a sapphire optics processing company. Now we cooperate with many domestic and foreign crystal companies, and can supply various specifications ...
2025-07-20 00:12:23
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