Certificate of New Excellent Product for Oil Seal Ring for Power Plant (Ministry of Trade, Industry and Energy)
Certificate of New Excellent Product for Stainess Steal Seal for Power Plant (Ministry of Trade, Industry and Energy)
Certificate of New Excellent Product for Cu-Ni Alloy Seal for Power Plant (Ministry of Trade, Industry and Energy)
Certificate of Utility Model Registration for Variable Clearance Packing Ring (Korean Intellectual Property Office)
Certificate of New Technology for Seal Ring for for Power Plant (Small and Medium Business Administration)