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NEWS ニュース
![](https://www.cosina.co.jp/wp/wp-content/themes/cosina_v1/assets/img/news/cover.jpg)
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Plating to perfection by hand and eyesight
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Individually matching rectilinear keys and guides
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Helicoid lapping
![](https://www.cosina.co.jp/wp/wp-content/uploads/2012/05/こわだりの理由.png)
Coloring by hand
![](https://www.cosina.co.jp/wp/wp-content/uploads/2012/05/こわだりの理由.png)
Why engraving over printing
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Tools of measurement
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Aluminum, the prize in recycling
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Satin texturing by sandblasting
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Knurling applied to rings
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)
Preparations for milling and machining
![](https://www.cosina.co.jp/wp/wp-content/uploads/2021/10/reasons-cosina-choices.png)