Sapphire crystal cover for Intelligent watch,Support various arc-shaped designs
Product Descriptions: Characteristics: Sapphire Crystal Chemical composition : Aluminum oxide (Al₂O₃) Transmittance: >85% @410-785nm Mohs hardnes : ≥9 Surface roughness: […]


样品5-7-1024x1024.jpg)
样品4-6-1024x1024.jpg)
样品3-6-1024x1024.jpg)
样品2-8-1024x1024.jpg)
样品1-10-1024x1024.jpg)





