1984.05
- Kyoungdo industry established
1993.12
- Kyoungdo industry Co.,ltd established
1995.10
- Registered as a supplier of precision instrument for POSCO
1998.07
- Appointed as machinery processing company for POSCO (Cr-cast Roller, Liner , Apron and etc)
2006.09
- Techno Partenership Agreement with POSCO,Postech, Rist
2010.03
- Acquired PCP Certification as the best supplier
- Started to supply to Osaka Cement in Japan
2013.07
- Started to supply to Hanil Cement in Korea
2014.12
- POSCO ENERGY MOU Conclusion (Hydrogen fuel cell component devolpment)
2015.01
- Started to supply to Tongyang Cement in Korea
2015.10
- Started to supply to Asia Cement in Korea
2015.11
- Started to supply to Sungshin Cement in Korea
- Ssangyong Company registration
2016.05
- Korail Company registration & BRAKE DISK Supply
2016.06
- Certificate of Pohang Promising Small Giants