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Park, Liando U Valley, Changchun City,
Jilin Province, China

Sapphire Windows

Sapphire crystal is the hardest oxide crystal, is the basic single crystal form of aluminum oxide (Al2O3). It has a series of excellent physical and chemical characteristics such as high strength, high hardness, high temperature resistance,abrasion resistance, corrosion resistance, good light transmission performance and excellent electrical insulation performance. Therefore, it can be widely used in various demanding fields such as national defense, scientific research, and civil industry. 
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