特级做a爱片毛片免费看_变态 另类 国产 亚洲_中文字幕乱码视频中文字幕14_中文亚洲少妇自拍_无码国产天天一区在线观看_美女在线777在线_美女做爰高潮免费视频_伊人久久久A∨老熟妇色_韩国电影办公室3免费完整版_自拍偷亚洲精品重口

Tungsten Alloy Hollow Cylinder

Tungsten alloy hollow cylinder has high density, high melting point, good welding, good wear resistance, good corrosion resistance and high temperature resistance, which also can conduct electricity and heat. The most important is non-toxic and environmental, which can manufacture the electric light source, the electric vacuum part, the dart, the golf club and so on.

tungsten alloy hollow cylinder pictureThe process of tungsten alloy hollow cylinder is that: firstly, mix and press the tungsten powder and other metal powder; then, burn into the rough semi-finished product; the rough semi-finished product is finally made into tungsten alloy hollow cylinder after rotary forging and cutting. Its surface is smooth, which can be made to any length according to customer demand.

More details, please visit:
http://www.tungsten-alloy.com/tungsten-alloy-cylinder.html

Comments are closed.

Address: 3F, No.25-1 WH Rd., Xiamen Software Park Ⅱ, FJ 361008,China Copyright ? 1997 - 2025 CTIA All Rights Reserved
Phone:+86-592-5129696,+86-592-5129595;    Email: sales@chinatungsten.com
舊版