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

Tungsten carbide pen ball