Wellcome to OHK!
 
Wellcome to OHK









Untitled Document
 
Classification Registration Certificate of Electric Work Business
Registration No. Gyeonngi-02815
Registration Date 2006.03.13
Registration Detail Electric Work Business
Classification Registration Certificate of Professional Construction Business
Registration No. Sihung 05-13-07
Registration Date 2005.12.16
Registration Detail Professional Construction Business
 
Classification Registration Certificate of Water Quality Prevention Facility Business
Registration No.

No. 900

Registration Date 2004.01.27
Registration Detail Water Quality Contamination Prevention Facility Business