Certificates & Intellectual property rights
Certificates
| 1) | Certificate of Research Center, President of Korea Industrial Technology Association, No. 19971373, Aug. 1, 1997 |
| 2) | Certificate of new technology, Ministry of Science and Technology. No. 1142, Dec. 6, 2001 |
| 3) | Certificate of innovative SME (INNO-BIZ): SMBA, No. 6011-2370, Nov. 15, 2006 |
| 4) | Certificate of environmental mark, Korea Environmental Industry Technology Institute, no. 4950, Apr. 20, 2007 |
| 5) | Certificate of company of renewable and recycling energy, Ministry of Commerce, Industry and Energy, No. 2007-1613, Nov. 29, 2007 |
| 6) | KS Q ISO 9001 : 2009/ISO 9001 : 2008, 2011.09.30. Sept. 30, 2011 |
| 7) | KS I ISO 14001 : 2009/ISO 14001 : 2004, 2011.09.30. Sept. 30, 2011 |
| 8) | Certificate of DQ mark, Defense Agency for Technology and Quality, DTaQ-CDQ-28, battery type (45PS13K),Oct. 22, 2015 |
Intellectual property rights
| 1) | Patent No. 10-0403156, Manufacturing method of propulsion battery for underwater vehicles, Oct. 2003 |
| 2) | Patent No. 10-0462724, Propulsion apparatus for Torpedo, Dec. 2004 |
| 3) | Patent No. 10-0747626, Fabrication method of zinc electrode and fabrication apparatus of zinc electrode, Aug. 2, 2007 |
| 4) | Patent No. 10-0779529, Silver oxide-zinc battery, Nov. 20, 2007 |
| 5) | Patent No. 10-0832375, A gel electrolyte of Long Life Valve regulated sealed lead acid battery for Solar and Wind Power, Aug. 2008 |
| 6) | Patent No. 10-0855507, Silver oxide-Zinc primary battery which applied the zinc mesh cathode which it treated amalgam and the manufacturing method, Aug. 2008 |
| 7) | Patent No. 10-0880653, The battery for underwater self-propelled body, Jan. 2009 |
Others
| 1) | Certificate of R&D (heavyweight torpedo for submarine/midget submarine), Minister of National Defense No. 308, Dec. 15, 1999 |
| 2) | Certificate of R&D for primary battery for (heavyweight torpedo KPB-47), Minister of National Defense No. 386, Jan. 3, 2003 |
| 3) | Certificate of R&D (cell accumulation battery K120/40SHV-1), Minister of National Defense No. 393, Jan. 3, 2003 |
| 4) | Certificate of R&D (aluminum-silver oxide battery), Minister of National Defense No. 373, Oct. 21, 2005 |
| 5) | Certificate of R&D (battery for 214 class submarine, Minister of National Defense No. 391, Oct. 21, 2005 |