韩日av不卡,亚洲一区二区三区影院,无套内谢孕妇毛片免费看看,一本一道综合狠狠

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