* Oct. 2017   Moved into the Sangil Office of Company Own  
         
  * Nov. 2010   Acquisition of a Certificate of ISO 9001  
         
  * Jan. 2005   Acquisition of a Certificate of Business License for Project of Engineering Acticities from KENCA ( Korea Engineering and Consulting Association)
 
         
  * Dec. 2002   Acquisition of a Certificate of Trade Business Number from KITA
(Korea International Trade Association)
 
         
  * Nov. 2001   Acquisition of a License for Construction of Mechanical Works
 
         
  * Feb. 2001   Established as a General Engineering Company