We aggressively devote our R&D effort to create new products to meet our customer’ needs in timely manner. We established global network in the past 30 years trading business. Strong capability of domestic and overseas market research and right reading on technology trend and potential business have enable Kohsei Co., Ltd. to develop customer-oriented new products to meet market demands dynamically.

Based on the high purity degassing technology, we have succeeded for building a new production line that can produce super-fine Cr powders at particle size of under 5µm. Now we can make all kinds of high purity Cr powders with different particle size and PSD as customer’s needs.

To meet the needs of low Ni content in pure Co powders for HD and semiconductor industries, we have developed ultra-pure Co powders with Ni content of under 5ppm.
| Elements | Co (%) | O (ppm) | C (ppm) | S (ppm) | Ni (ppm) | Fe (ppm) |
|---|---|---|---|---|---|---|
| Conventional Co Powder | 99.86 | 4300 | 180 | 50 | 80 | 80 |
| “Low-Ni” Co Powders | 99.99 | 2800 | 75 | 10 | 5 | 20 |