baoyu135国产精品免费_成人精品视频一级毛片_亚洲中字无码A∨电影在线观看_国产免费高潮白浆二区三区_免费视频在线观看高清无码_精品无码久久国产2024_亚洲AV无码专区牛牛影院_精品第一国产综合精品aⅴ_午夜大片爽爽爽免费影院_日本在线高清视频

Tungsten Ball Pen Bead

Tungsten ball pen bead is a small ball used on ballpoint pen tips to release ink when writing. It has the advantages of high hardness, good wear resistance and long service life. It can be used as a pen tip for ballpoint pens.

Tungsten ball pen bead has many advantages, such as high hardness and good wear resistance. Its density is 2 times that of steel and 50% higher than lead. It is the best choice for a ballpoint pen tip. Ballpoint pens use tungsten ball pen bead to make writing smoother.

tungsten ball pen bead pictureChinatungsten Online is a professional manufacturer and marketer of tungsten alloy. We adopt the international advanced technology to produce. The diameter of the tungsten ball pen bead is 0.38~1.4mm, and the quality is good.

More details, please visit:
http://www.tungsten-alloy.com/tungsten-alloy-ball-pen-bead.html

Comments are closed.

Address: 3F, No.25-1 WH Rd., Xiamen Software Park Ⅱ, FJ 361008,China Copyright ? 1997 - 2024 CTIA All Rights Reserved
Phone:+86-592-5129696,+86-592-5129595;    Email: [email protected]
舊版