| |
| |
|
|
 |
|
|
|
·
Nov.1970 Sangjin Development Co.,Ltd was incorporated
ChungKu, Seoul
· Feb.1971 Acquired
electricity / utility construction license
· Jul. 1976
Erected boilers and auxiliary equipment for thermal
power station units NO.5,6 and 7 at Doha, Kuwait
· Oct.1979 Equipped
with grating manufacturing facility(NO.1auto projection
welding machine)
· Feb.1981 Launched
participating steel fabrication and erection works
in overseas construction projects(Bahrain)
· Jun.1984 Acquired
import and export license from Seoul Metropolitan
City
· Jan.1986 Exported
grating to Japan
· Jun.1986 Built
a new factory at Ansan Industrial Estate and extended
with NO.2 auto projection welding machine
· Apr.1988 Opened
Seoul trade office in Changkyo building,Seoul
· Jun.1988 Exported
auto projection grating welding machine to Thailand
· Jun.1988 Extension
with NO.1galvanizing plant
· Aug.1988 Extension
with NO.3 auto projection welding machines
· Feb.1989 Extension
with NO.4 auto projection welding machine(feeding
2 cross bars simultaneously)
· Apr.1989 Extension
with NO.2 galvanizing plant
· Dec.1990 Extension
with NO.3 galvanizing plant
· Sept.1991
Extension with NO.5 auto projection welding machine(feeding
2 cross bars simultaneously)
· Nov.1991 Bulit
a 2nd factory at Ansan Industrial Estate
· Jan.1994 Exported
Sangjin's auto projection grating welding machine
to Beijing,China
· Mar.1994 extension
with 6 lines of end bar auto welding machines
· Jun.1995 extension
with 2 lines of end bar auto welding machines
· Jun.1995 Exported
SANJIN's auto projection grating welding machine
to Malaysia
· Aug.1995 Extension
with NO.6,7 and 8 auto projection welding machines
· Nov.1996 Sangwon
Co.,Ltd. a subsidiary of Sangjin,commenced its hot
rolling mill operation producing steel bars
· Aug.2000 Sangjin
tech and research Co.,Ltd a subsidiary of Sangjin,commenced
its business producing noise barrier and guard rail
· Dec.2001 NO.1
galvanizing plant is renovated to use LNG.
· Jun.2002 NO.3
galvanizing plant is renovated to use LNG.
· Dec.2002 NO.2
galvanizing plant is renovated to use LNG.
· Oct.2002 Opened
SDI qingdao Co.,LTD,China
|
|
|
