Wellcome to OHK!
 
Wellcome to OHK














Untitled Document
 
classification awarded date note certificate
Citation by Minister of Industry,
Energy and Resources
2007.12 -
Citation by Chairman of Disk of Seoul Machinery
Industry Cooperative
2007.02 -
Presidential Citation 2004.11 -
Citation by Minister of Environment 2004.10 -
Citation by Director of Public Procurement Service 2003.12 -
Citation by Minister of Science and Technology 2003.12 -
Korea Management Association Green
Environment Grand Prize Technology Award
2002.11 -
Citation by Minister of Industry, Energy and
Resources
2002.10 -
Citation by Gyeonggi-do Governor 2001.03 -