PROSCO
| Business category 1 | Portable Media Earphone & Headphone |
| City ( of main office ) | Seoul, KR, South Korea |
| Address | 64-2 Jung-li dong, seo-gu |
| Phones | 82-53-2152023 |
| Fax | 82-53-2152023 |
| Date | 2011 Oct 28, 23:10 |
| Business category 1 | Portable Media Earphone & Headphone |
| City ( of main office ) | Seoul, KR, South Korea |
| Address | 64-2 Jung-li dong, seo-gu |
| Phones | 82-53-2152023 |
| Fax | 82-53-2152023 |
| Date | 2011 Oct 28, 23:10 |