Tungsten carbide ball for pen has advanced tip-equipment and imported production technique,

Tungsten carbide ball for pen:

1. Corrosion prevention

2. non-slip

3. glass hard,abrasion proof

4.low  roughness ,not wear-out the ball

5. microspore, printing ink’ wet ability well, carry over more printing ink, lineation clearing

6. good handle ,taking bake superabundant printing ink

0.5mm Tungsten carbide pen ball