无码中文字幕色专区,天天躁日日躁狠狠躁av,亚洲成a人片777777,欧美午夜一区二区福利视频

In

 微信圖片_20220427173843.png


銦靶.jpg


銦1.jpg


銦靶.jpg


Introduction: widely used in coating for consumer electronics, NCVM, solar photovoltaic, optical

Purity: 99.99%-99.999%

Shape: planar, rotary

Appearance: silver white

Density: 7.3g/cm3

Specification: customized



Scan and pay attention to the public number