| 1994 |
 |
11 |
|
Established YOUWON construction office |
| 1994 |
|
11 |
|
Registered as a architectural business (No 648) |
| 1996 |
|
04 |
|
Incorporated YOUWON Architecture Co,. Ltd. as a joint-stock company |
| 1997 |
|
08 |
|
Registered as a Generalized Professional Supervision Company (No 5-Item-87) |
| 2001 |
|
01 |
|
Certificated KS Q 1S0 9001 Quality Management System (KQC-2080) |
| 2003 |
|
02 |
|
registered supervision business (Gyeonggi2-181) |
| 2006 |
|
11 |
|
Registered engineering firm (10-002515) |
| 2009 |
|
03 |
|
Registered software service provider (B09-13491) |
| 2009 |
|
03 |
|
Registered general fire equipment planning business (Gyeonggi Yongin architectural design 2009-01) |
| 2009 |
|
03 |
|
Registered electricity equipment specialty planning (Gyeonggi Yongin 1-5) |
| 2009 |
|
07 |
|
Altered comprehensive supervision company (Gyeonggi No 1005) |
| 2009 |
|
07 |
|
Registered real estates development company (Gyeonggi 090056) |
| 2009 |
|
08 |
|
Registered professional fire maintenance supervision business (Gyeonggi Yongin supervision 2009-03) |
| 2015 |
|
04 |
|
Registered service business of Construction techniques |
| |
|
|
|
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