History
SINCE 1962
We have been supplying electrical equipment for distribution for over 60 years.
- 2018 07 KEPCO Polymer COS – Korea Electric Power Corp.’s Power Supply Supplier Quality Evaluation Result for Best Ratings
- 2016 05 Acquire license for information and communication service business
- 2016 02 Obtain a license for the firefighting facility construction project
- 2015 04 Change to Joongwon Co., Ltd.
- 2013 12 The 50th Trade Day Award of the Export Tower of $10 million (CEO Roh Tae-kyun)
- 2013 12 Winning the 50th Dongtap Industrial Medal on Trade Day (Executive Director Lee Shin-hyun)
- 2012 12 C.O.S (Fuse Cutout Switch) Selected as the world’s first-class products and production company
- 2012 09 Roh Tae-kyun, CEO of the company, is sworn in.
- 2011 01 Shin Young-hoon is sworn in as CEO
- 2010 06 25.8kV Gas Insulation Load Disposal (for service) 400A/630A RoHS Certification Acquisition (Certification Agency: CERMET/Italia)
- 2008 11 Acquisition of electric construction license and establishment of business unit
- 2008 10 Silicon-type polymer COS First Development in Korea (25.8 kV, 100A, 12/8 kA)
- 2008 10 President of the Korea Electric Power Corp. (CEO Lee Choong-ho)
- 2008 07 Acquisition of fused RoHS certification for semiconductor protection (TUV/Germany)(UR33-90~180, UR36-150~300, UR37-350~500, UR66-150~300, UR67-350~500)
- 2008 07 Korea’s first RoHS certification acquisition (TUV/Germany) (COS, PolymerCOS)
- 2007 12 Acquire national product certification (V-CHECK certification) (Korea Electrotechnical Institute-ASS, AISS Surge Arrester)
- 2007 12 KS regular audit completed (Korea Standards Association- MOF, factory inspection and product audit)
- 2007 11 2007 Trade Day Receives $5 million Export Tower Award and Prime Minister’s Representation Award (Trade Association, Nov. 30)
- 2007 10 Minister of Commerce, Industry and Energy Award (Kim Seok-cheol, director of Research Institute)
- 2007 09 Development of Automatic Fuse Disposal for Fuse-Fused Interfault Spaces (24kV, 100A)
- 2007 09 Development of the first two types of vacuum shutters with magnetic extractor for distribution control (7.2/12kV, 12.5kA, 630A)
- 2007 07 Acquisition of fused RoHS certification for semiconductor protection (TUV/Germany) (UR/JRS61- (10-75), UR/JRS32- (60-120)
- 2007 05 Domestic First Development of Self-Extractor-Based Vacuum Shut-off System (VCB-24kV, 12.5kA, 630A)
- 2006 12 The 7th Gyeonggi Environmental Green Award (Quantity of Water, Gyeonggi Province Governor: No.2500)
- 2006 11 Acquisition of fused RoHS certification for semiconductor protection (ITC/Czech) (UR/JRS31- (10-75), UR/JRS62- (60-120), UR/JRS63- (90-180)
- 2006 06 Development of 3 types of gas insulation load closure (for heavy use) for new IT-integrated distribution automation (PAD-25.8kV, 600A)
- 2006 05 Completion of Eqing 3rd facility supplemental investment (third investment facility)
- 2006 01 ISO 14001 (Revision 1999 → 2004) Recertification Acquisition (United Kingdom SGS ICS)
- 2005 10 Prime Minister’s Presentation Award (CEO Lee Shin-hyun)
- 2005 09 The re-designation of venture companies (SMB) was made between 2005 and 2007; SMBA No. 051625232-3-01242/li>
- 2005 07 Development of two types of gas insulation load closure (for processing) for new IT-integrated distribution automation (PGS-25.8kV, 400/630A)
- 2005 07 INNO-BIZ Reconfirmation (NR2061-0376, 2005-07.29 to 2008.07.28)
- 2005 04 Development of Environmental Friendly Aerial Insulation Load Disposal (LBS-24kV, 15kA, 630A))
- 2004 12 Development of Environment-Friendly Crane Insulation Fault Automatic Disposal (AISS-24kV, 15kA, 200A)
- 2004 09 Parts • Material designation (Ministry of Industry and Resources No. 1579)
- 2004 04 Interchange to Joongwon Electric Co., Ltd.
- 2003 12 ISO 14001 Certification Acquisition (UK SGS ICS)- First Heavy Electrical Equipment Company
- 2003 12 ISO 9001 Certification Acquisition (United Kingdom SGS ICS)
- 2003 11 Director of Small and Medium Business Award (Kim Nam-yeol, head of the small and medium business team)
- 2003 10 24kV Korean Wave Fuse Cutoff Capacity 50kA First Development in Korea (Conventional Capacity: 40kA)
- 2003 09 Acquire re-certification of the disposal company (Gyeonggi Small and Medium Business Administration Office 031625231-2-704 20030901-20050831)
- 2003 04 First domestic development of three types of polymer (silicon) insulated polymer Surge Absorber (3.6/7.2/18kV)
- 2003 04 Domestic First Development of Vacuum Shutters with IEC62271-100 (VCB-24kV, 12.5kA 630/1250A)
- 2003 03 Lee Chung-ho is sworn in as CEO
- 2002 12 Monthly INNO-BIZ Enterprise Designation (SMB)
- 2002 11 First domestic development of vacuum breakers with IEC62271-100 (VCB-24kV, 25kA, 630/1250/2000A)
- 2002 07 Designation of Small and Medium Enterprises for Export (Gyeonggi Small and Medium Business) No. 22-227
- 2002 06 Domestic First Development of Vacuum Shutters with IEC62271-100 (VCB-7.2kV, 8/12.5/31.5kA)
- 2001 12 Polymer (EPDM) Isolated Polymer COS First Development in Korea (25.8kV, 100A, 12kA)
- 2001 08 Designation of promising advancement technology company (SMB) Selection number: 01064
- 2001 07 Designation of promising small and medium enterprises (2001-056 Gyeonggi Province, 2001.06 to 2006.05)
- 2001 03 Development of Pressure Transformers (MOF) and Epoxy Bushing for Outdoor Export (36 kV, 8.8 kA)
- 2001 03 Selection of Kookmin Credit Firms (Central Branch of Kookmin Bank)
- 2000 11 Prime Minister Award (CEO Cho Nam-jin)
- 2000 10 Acquisition of certification for venture businesses (Gyeonggi Provincial Small and Medium Business Administration) No.2000162571-2386
- 2000 10 Development of Korea’s first self-made general blocking capacity 12kA COS (25.8kV, 100A, 125BIL, 12kA)
- 2000 01 Development of 13 new strainer types (MOF-overcurrent strength 40/75/150 times) and two variants for instrument (25.8 kV)
- 1998 05 Capital increase of 3 million won (1,247 million won after increase)
- 1998 04 Fuse UL Acquisition for Semiconductor Protection (E148347)
- 1997 09 Achievement of threefold accident-free labor minister-presentation award (No. 97-281)
- 1997 07 Development of Control Box SF6 Gas Isolated Load Disposal (New specification)
- 1997 04 Cho Nam-jin, CEO of the company, is sworn in.
- 1996 09 Development of Automatic Cut-off (Manual, Power Generation) for the Fault TYPE
- 1996 06 Completion of complementary investment in etching secondary facilities (secondary investment facility)
- 1996 04 Development of SF6 Gas Insulated Load Disposal (Ground Type, 4w/4s)
- 1996 04 ISO certification of zinc oxide arrestor (ISO9002)
- 1996 02 Development of 27kV, 200A Cutout Switch
- 1995 12 Development of Zinc Oxide Lightning System (18kV, 2.5kA, Gapless)
- 1995 11 Development of 27kV, 100A, 150BIL Cut Out Switch
- 1995 06 Selection of a company designated for military service (Military Manpower Administration)
- 1995 05 Development of SF6 Automatic Gas Abatement (ASBS)
- 1995 04 Completion of etching facility investment and commencement of etching business
- 1994 10 First ISO certification acquisition (ISO9002) (SF6 Gas Switch, Alternating Current Load Disposal) (Special Pressure Cutout Switch, IPF, OPF, ASS)
- 1993 05 Acquire MOF (Metering Out Fit) KS
- 1992 09 Acquisition of quality control grade plant (2 packs), (Gas insulated loader disposal, special high pressure cutout switch, AC crane load disposal)
- 1992 09 Power Fuse Unit 1k Development
- 1992 09 Development of MOF (Metering Out Fit)
- 1992 05 Development of High Pressure Korean Air Fuse
- 1992 02 Expansion of 356 pyeong at Ansan Plant (2,111 pyeong)
- 1991 12 The Establishment of the Central Institute of the Central District of the Company
- 1991 11 Japan Energy Support Co. Technical partnership (Gas Isolated ASBS, High Pressure Korean Air Fuse)
- 1991 06 development of wire fuses
- 1990 11 SF6 Acquisition of Gas-insulated Load Disposal KS
- 1988 12 Japan Energy Support Corp. (SF6 Gas Switch
- 1988 12 Technical partnership with U.S. S&C Electric Co. – Power fuse, Power fuse unit
- 1987 07 Start developing fuses for semiconductor protection
- 1987 03 Transfer to Ansan Plant
- 1986 07 Ansan Plant 1,467m² extension (5,801m² pyeong)
- 1985 09 Capital transfer of 595,000 won out of the revaluation reserve (capital 947,000 won after transfer)
- 1984 09 Retaliation of assets (595,997,000 won)
- 1984 09 Purchase of Ansan Plant (Ground 14,383m², Geopyeong1,315 pyeong)”
- 1980 11 Registration of Import and Export Companies (Korea International Trade Association)
- 1978 07 Designation of Small and Medium Business Specialized Machinery Factory (Executive Department)
- 1977 04 Joongwon Electric Industrial Co., Ltd.
- 1976 12 U.S. S&C Electric Co. technical partnership – Cut Out Switch, crane load closure, Fuse Link
- 1968 04 U.S. S&C Electric Co. Korea General Agency
- 1962 03 Establishment of Hansung Corporation, Inc. (2,000 won capital)