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The year of
 '2000'
   February      Obtained an Approval of Manufacturing Process by
                     RINA (Registro Italiano Navale, Italy).
  June            Mechanical Joint of Iron Bar was certified as a
                     “New Technology” by the Ministry of
                     Commerce, Industry and Energy of Korea
                     (Reg. No. 2000-022)
  September   Mechanical Joint of Iron Bar was certified as a
                     “Best Commodity” by the Public Procurement
                     Service of Korea (Reg. No. 2000-022)
The year of
 '2002'
   February      Introduction of Composite Bonding method of
                     steel pipe pile from Smartec Engineering
                      Co., Ltd.
  April             Registration of utility model of Joint Structure of
                     Pile for Prefabrication Connection Work of
                     Concrete Pile (Reg. No. 0273764))
  August         Registration of design of Coupling for Joint of Iron
                     Bar (Reg. No. 0306348)
  September    Patent application of constraining-force-enhanced
                     Joint Structure of Pile for Joint Construction of                      PHC pile (“Coupler with hoop stress for
                     connecting PHC piles) (Reg. No. 0057092)
   December     Certified Department fully in charge of R&D by
                     Ministry of Science and Technology of Korea
                     (Reg. No. 20025289)
The year of
 '2003'
   June          Registration of patent for connector easily
                     connected for steel reinforcing and
                     construction method (Reg. No. 0387998)
  August         Prefabrication Connection of PHC Pile was                      certified as a “New Technology” by the
                     Ministry of Commerce, Industry and
                     Energy of Korea (Reg. No. NEP-2003-050)
The year of
 '2004'
   May            Obtained an Approval of Manufacturing Process
                     by CCS (China Classification Society, China)
  July             Designated Promising Export Firm by the Small
                    and Medium Business Administration
                     of Korea
  September   “Bolt connection of high impact concrete pile with
                     loop coupler and inclined guide ring” was
                     certified as a “New Technology” by the
                     Ministry of Construction & Transportation
                     of Korea (Reg. No. 428)
The year of
 '2005'
   February      Patent application of apparatus and method for
                     connection between concrete pile head and
                     concrete footing (Reg. No. 0011197)
   October        Obtained an Approval of Manufacturing Process
                     by ABS (American Bureau of Shipping, U.S.A)

The year of
'2006'

   January       Registration of patent of a connection device to
                    connect concrete piles (Reg. No. 0546942)