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02       Founded Dae Hwa Plant
03       Incorporated under the name of D.H. Tech (Dae Hwa Tech)
07       Be selected as a supplier for POSCO
 
01       Be selected as a supplier for POSCO Engineering & Construction
            (cooling tower B grade)
02       Had a groundbreaking ceremony for a new factory at Gamjeon-dong
02       Registered the design of cooling tower filler (Ref. No. 0256243)
03       Be selected as the consortium for industry-academic research cooperation
            (Dong-Eui University)
04       Registered the new device of a cooling tower (Ref. No. 0185436)
04       Acquired ISO 9001 certification (Ref. No. QSC02608)
05       Completed to construct the factory at Gamjeon-dong
05       Moved the head office to 127-4, Gamjeon-dong, Sasang-gu
05       Registered the factory (Ref. No. 8-149)
05       Registered the trademark (Ref. No. 04070474)
06       Registered the trading business (Ref. No. 12122530)
 
07       Be registered as a supplier for POSCO Engineering & Construction
            (water treatment system B grade)
08       Opened Youngnam and Honam Office for Baltimore cooling tower (Ref. No. 91)
10       Constructed ERP I.T. of Small and Medium Business Administration
11       Be selected as a promising small business by Busan Bank (Ref. No. 2001159)
 
01       Registered the new device (Ref. No. 0262285)
01       Registered the new device (Ref. No. 0263031)
05       Be certified to record 1-time no accident (Ref. No. 02-81-0017)
 
02       Be selected as an excellent company by POSCO Engineering & Construction
02       Attained 3-time no accident
 
02       Attained 3-time no accident
09       Founded a corporation in Qingdao, China
12       Be selected as a clean workplace (Korea Occupational Safety & Health Agency)
 
02       Attained 4-time no accident
02       Applied for a new device (Ref. No. 20-2005-005586)
03       Backwash remaining float collector for water treatment sand filter
04       Be selected as 2005 good-quality supplier by POSCO Engineering and
            Construction Registered the preventive system business (Ref. No. Shore
            Protection Division -Water-38)
            -Type of the preventive system business: Water quality (Busan)
12       Joined COOLING TECHNOLOGY INSTITUTE (CTI)
 
05       Registered the construction business (mechanical system construction) with
            Sasang-gu, Busan
10       Made a contract for a new factory site in Hwajeon Industrial Complex
            (the whole area of Shinho and Hwajeon-dong, 2,975.30m2)
10       Acquired the approval of the foundation of a research institute for the company
12       Be registered as a member of Korea Industrial Technology Association
 
02       Attained 6-time no accident
04       Be selected as 2007 good-quality supplier by POSCO Engineering &
            Construction
11       Be certified as (INNO-BIZ)
 
02       Attained 7-time no accident
06       Be designated as a prospective exporter
           (Small Business Export Support Center in Busan and Ulsan)