회사소개
History
Spreading around the world of Dong-Ah
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1999
05 Acquired ISO 9001 from Singapore BCA
03 Acquired Certification of International Contractor business
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1998
12 Developed Integrated information system
04 Construction equipments business place established
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1997
10 Registered Scaffolding and Demolition of structures business
01 Entered into a technique agreement with OSAKA JACK Company from Japan
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1996
07 Entered into a technique agreement with Obayashi Corporation from Japan
03 Entered into a technique agreement with Obayashi Corporation from Japan
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1994
10 Registered renting construction equipments business
09 Registered International Contractor business (Boring Grouting, Earthwork)
04 Relocated head office to the present location
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1993
07 Registered main agent of Engineering
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1992
08 Registered Water Supply and Drainage Facilities business
06 Awarded DongTan Industry awards
03 Imported SHILD TBM equipments
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1991
11 Selected business place of substitute military service
09 Philippine Joint corporation established
07 Imported Reserve Circulation Drill(R.C.D) method
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1990
08 Imported Diaphragm Wall method