US POKO (Hong Kong) Technologies Company Limited

1. This products are made of tungsten carbide, with good hardness, wear-resistance, anti-corrosive.
2. The different grade and surface polishing use in the different processing request.
3. Application in: pen making trade ( pen core), and the accessory of valve.

1. Diameter: 0.02 - 20 mm.

2. According to your any request.