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Business Registration Certificate
 
Plant Registration Certificate
  ISO9001   ISO14001
             
     
Quality Certificate by Nippon Valqua Ind.
 
Certificate of Technical Cooperation with Nippon Valqua Ind.
 
Certificate of Technical Cooperation with Nippon Leakless Corp.
 
Acquired INNO-BIZ Certificate
             
     
Acquired VENTURE Certificate
 
Acquired INSTITUTE Certificate
 
Acquired CLEAN FACTORY Certificate
 
Membership Certificate of Korea International Trade Association
             
       
Production Approval by GS Caltex
 
Localization Company Registration Certificate by Korea Gas Corporation (1)

 
Localization Company Registration Certificate by Korea Gas Corporation (2)