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CHING MEI is the leading manufacturer of sapphire crystal, K1 optical glass, and mineral glass. The company was founded in 1993.
With 30 years of diligent striving, CHING MEI is now the major supplier of sapphire crystal and mineral glass for luxury watches. We also provide a wide variety of optical products, such as the surface of smart watches, touch-screen lenses of mobile phones, assorted... See More