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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)