History
2024
- 09.Selected as Skilled Technology Transfer Expert in the heat treatment field
2023
- 12. Selected as the 201st Master Craftsman of Korea
- 01. Construction of Dong Seo Heat Treatment Co., Ltd. Mieum Branch – Integration of 3 plants (land area: 8,096.6㎡)
2021
- 08.Designated as Specialized Root Technology Company (Ministry of SMEs and Startups)
2012
- 12.Headquarters operation – Busan Noksan National Industrial Complex
2010
- 12.Presidential Award for Carburizing Heat Treatment at the Production Base Technology Competition
2006
- 06.Acquired SQ Certification (Hyundai•Kia Motors)
1999
- 10.Noksan Branch operation – Busan Noksan National Industrial Complex
1991
- 02.Construction and relocation of Sasang Branch
1986
- 09. Established Dong Seo Heat Treatment Industrial Company