最新国产理论片在线视频观看,一个人看的www视频免费观看,久久视频,V久久国产精品免费一区二区三区,国产视频综合,中文手游下载,国产91在线爆乳

Al


鋁靶.jpg


鋁1.jpg


鋁靶2.png


Introduction: mainly used in the coatings of semiconductors, touch screen, decorative, solar photovoltaic

Purity: 99.9%-99.999%

Shape: planar, rotary

Appearance: silver and white

Density: 2.7g/cm3

Specification: customized



Scan and pay attention to the public number