亚洲AⅤ无码色情在线观看,校花被扒开双腿强行高潮,中文字幕亚洲乱码熟女在线,插b内射18免费视频

Wear-resistant coating

PVD wear-resistant coating is a green and clean surface treatment technology. A coating of certain thickness prepared to target parts by PVD in high vacuum, which can provide surface strengthening requirements, mainly improving the wear resistance and corrosion resistance of the work piece, improving the strength and hardness of the work piece. 

 


Related Products


Related Products: Cr Target, Ti Target, Zr Target, Wu Target, C Target, TiAl Target, CrAl Target, CrSi Target, etc.

 




    


Scan and pay attention to the public number