Roi-tech
| Business category 1 | PS |
| City ( of main office ) | Seoul, KR, South Korea |
| Address | Room 84, Tres-Belle 6-6 Sunae-dong, Bundang-gu, Seongnam-SI, |
| Phones | 82-31-715-0023 |
| Fax | 82-2-21062400 |
| About | SCD stands for sejin-sankyo control devices co., ltd. established in 1987. Our employees are over 300 persons. and 11.2 M us$ capital. we are having technology of cdma gps locators,cdma module, cdma cellular phones. |
| Date | 2011 Oct 28, 23:10 |