<big id="b6hrh"></big><b id="b6hrh"><acronym id="b6hrh"></acronym></b>

            • 首頁
            •  
            • 產品
            •  
            • 寶石元件
             
            寶石元件

            • 寶石材料

              Sapphire is a single crystal aluminum oxide (Al2O3). Its Mohs hardness is 9, it is one of the hardest materials. Sapphire has good mechanical strength, and it is also transparent from visible to IR sp..

            • 寶石窗片

              Sapphire Windows are made from Sapphire material, which has transparent range from 180-4500nm. The refractive index is 1.755 at 1000nm. ..

            < Previous1Next >

             
            中文字幕第1页中文字幕在_中文字幕乱老妇人视频_AV在线影院亚洲第一_国产区一二三区%20第一页_999精品无码一级A片_国产午夜爽爽刺激视频