
2024's
- March.
SEUN BNC Co.,Ltd. Selected as a faithful taxpayer by Gyeonggi-do

2023's
- March.
SEUN BNC Co.,Ltd. Selected as a faithful taxpayer by Gyeonggi-do
- March.
SEUN BNC Co.,Ltd. Selected as Siheung City’s top taxpayer

2022's
- Dec.
SEUN BNC Co.,Ltd. completion of a Pohang factory

2013's
- Dec.
Capital increase of KWR 4 billion(Total capital: KWR 8 billion)
- Nov.
Change of company name from Kum Chang Steel Co. to Seun BNC Co.
- Oct.
Inclusive merger with Seun Steel Co.

2009's
- Feb.
ISO 14001;2004 Environment Management System Certification(Certified by KEF-CC)

2007's
- Dec.
ISO/TS16949;2002Certification (Certified by CERMET Asia)
- Jul.
Organization consolidation

2006's
- Dec.
ISO9001;2000 Certification (Certified by KEF-CC)
- Mar.
ISO/TS16949 Kick-off

2005's
- Dec.
Capital increase of KRW 2 billion (Total capital: KRW 4 billion)
- Nov.
Relocation of the Seoul office (708ho Nonhyeon Building 37-12 Jamwon 1-dong Seocho-gu Seoul)

2000's
- Dec.
Extension of factory warehouse
- Jun.
Change of company name from YoungPoong Steel Co. to Kum Chang Steel Co.

1999's
- Dec.
Registered as a subcontractor of Kia Motors Co.
- Oct.
Registered as a subcontractor of Daewoo Motors Co.
- Jul.
Designated as a CR Sales Company of POSCO.
Change of company name from Kum Chang Steel Corporation to YoungPoong Steel Co.
- Jun.
Inclusive merger with YoungPoong Steel Co.
Foundation of Kum Chang Steel Corporation.

1995's
- Dec.
Commencement of CR processing facility (Slitter / Rotary Share / Mini Share)

1994's
- Dec.
Completion of SiHwa Factory Construction.
Designated as a designated CR Sales Company of POSTEEL.

1977's
- Apr.
Designated as a CR Sales Company of POSCO.

1973's
- Nov.
Foundation of YoungPoong Steel Co.