, 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

ADD
NO.298 Tonghe Road Qingdao Economy&Technology Development Zone,China
TEL
86-532-691-1291 691-1292 691-1293 691-1295
FAX
86-532-691-1290 691-1294
E-mail
huilinghao@sangjin.com