Bantang Show You Ballpoint Pen Production Process From 0 To 1-6 Tube Extrusion

Bantang Show You Ballpoint Pen Production Process From 0 To 1-6
Tube Extrusion
copper wire+ball together then be tip
Tube +tip+ink together then be refill
Endplug+barrel+refill+cap+adapter+another accessories then make ballpoint pen/gel pe
6、tube extrusion
The raw material of the tube is PP

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