HISTORY
2020~2026
Sustainable Growth and
a Leap into Future Indust
2026
- Sustainable Growth and a Leap into Future Industries
2025
- 01Relocated the Steel Rolling Plant to the Sihwa Industrial Complex
2010 ~ 2019
A Turning Point in Production
Growth and Organiz
2015
- 01Established a Steel Rolling and Slitting Plant in Pyeongtaek
2013
- 11Appointed Jeong Seung-don as Chief Executive Officer (CEO)
- 12Expanded Qingdao Sangjin Plant No. 4 (1,300㎡)
2012
- 08Expanded Qingdao Sangjin Plant No. 3 (4,900㎡)
2000 ~ 2009
Strengthening Manufacturing Competitiveness
and
2008
- 12Relocated the Slitting Machine at Qingdao Sangjin
2006
- 10Commissioned Qingdao Sangjin Plant No. 2 (4,792.61㎡)
2005
- 04Commissioned Qingdao Sangjin's No. 2 Steel Grating Production Line (GW2)
2004
- 09Commissioned the 1st Steel Grating Production Line (GW2) in Thailand
2003
- 05Obtained a License for Steel Grating Manufacturing and Sales for the Thailand Subsidiary
2002
- 10Merged with Qingdao Sangjin Co., Ltd. (Head Office: Songjeong-dong, Gwangsan-gu, Gwangju Metropolita
2000
- 07Expanded the Steel Grating Production Line at Qingdao Sangjin (Facility Area: 11,500㎡)
1990 ~ 1999
Advancing Facilities and
Strengthening Manufactu
1996
- 01Expanded the Qingdao Plant (Facility Area: 5,200㎡)
1991
- 10Expanded the Steel Grating Production Line (GW2)
1990
- 12Commissioned a High Value-Added (GRS) Production Line (1.5m × 12m × 1t)
1980 ~ 1989
Launching the Manufacturing Line,
Building Indus
1989
- 01Expanded the Steel Grating Production Line (GW2)
- 04Commissioned the 2nd GRS Production Line (1.5m × 7.2m × 1t)
1988
- 07Commissioned the 1st GRS Production Line (1.5m × 4.2m × 1t)
- 09Commissioned the 4th Steel Grating Production Line (GW1)
1986
- 04Established a Second Plant (1,500㎡)
- 08Commissioned the 3rd Production Line (GRS) (1.5m × 10.5m × 1t)
1984
- 09Obtained an Import and Export License
1969 ~ 1979
Established a Strong Foundation
and Entered Manu
1979
- 10Expanded the 1st Steel Grating Production Line (GW1)
1977
- 07Established the Busan Plant (Steel Grating and Other Steel Products Manufacturing & Sales)
1970
- Incorporated as Sangjin Development
1969
- Founded Sangjin Development Co., Ltd.