亚洲无亚洲人成网站77777_色无五月_久久免费精品国自产拍网站_好男人社区神马在线观看www_欧美裸体xxxx极品少妇_中文日韩欧美亚洲_亚洲一区二区国产_日本熟妇厨房xxxⅹⅹ乱_无码人妻h动漫网站_www欧美日韩_婷婷午夜精品久久久久久性色av_国产又爽又黄又不遮挡视频_亚洲中文色欧另类欧美_国产少妇在线_亚洲国产日韩精品二三四区91_国产成人亚洲精品无码电影不卡_欧美一级在线视频_一级淫片aaaaaaaahd_99久久精品无码一区二区三区_国内少妇偷人精品视频

Application: Semiconductor industry, optical fiber communication, optical field, photovoltaic industry, electric light source industry, military and aerospace, scientific research and precision measurement, TGV board level packaging.

Product characteristics: High temperature resistance, corrosion resistance, thermal stability, light transmission performance.