欧美人妻一区二区三区-久久AAAA片一区二区-久久人妻少妇嫩草AV蜜桃-中文无码av一区二区三区

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 - 2025 CTIA All Rights Reserved
Phone:+86-592-5129696,+86-592-5129595;    Email: sales@chinatungsten.com
舊版