| 1991. 11 |
Establishment of Cheongha Industries |
| 1992. 04 |
Registered as a cooperative partner of Hanwha Chemical |
| 1994. 10 |
Registered as a 1sttier cooperative partner of GM Korea (former Daewoo Motor) |
| 1996. 11 |
Awarded commendation as an excellent cooperative partner by GM Korea |
| 2000. 08 |
Registered as a cooperative partner of TYM |
| 2001. 03 |
Obtained QS / ISO 9000 Quality System Certification |
| 2004. 06 |
Registered as a cooperative partner of Daewoo Bus (interior/exterior parts) |
| 2006. 09 |
Implemented ERP SYSTEM |
| 2006. 11 |
Obtained TS16949 Certification |
| 2007. 06 |
Acquired INNOBIZ Grade A Certification / Establishment of an inhouse research institute |
| 2007. 10 |
Succeeded in SME Production Environment Innovation Technology Development Project (ROBOT TRIM) |
| 2007. 12 |
Obtained MAINBIZ/IMS Certification and establishment of an inhouse research institute |
| 2009. 05 |
Exported DOOR TRIM SEAL to GM India/North America/Australia |