| Mar | 2002 | OSI COMPANY LIMITED was established in Hong Kong as sales company which is charge of overseas market. |
| Apr | 2004 | KOREA OSI COMPANY LIMITED was established. |
| Nov | 2006 | Business partnership with AV dealer SOVICO AV Corporation in KOREA. |
| Mar | 2007 | OSI EUROPE has been established in Netherland for handling all European market business. |
| July | 2008 | OSI moved to the new location on 21 July 2008. |
| July | 2009 | Business partnership with WS-Spalluto GmbH established for handling all European market business. |
