1960

• 1964. 04.Established Koryo Electric Company

1970

• 1975. 10.Changed name to Koryo Cable Co., Ltd
• 1977. 11.Moved to Seodaegu Industrial Complex(Current Location)

1980

• 1983. 04.Passed CCP-AP-SS cable products(Korea Telecom)
• 1985. 11.Jae-Chul Jung took office as president
• 1988. 05.Designated as a Promising Small and Medium Enterprise by the Small & Medium Business Corporation

1990

• 1991. 11.Adopted medium voltage aluminum stranded conductors with steel reinforced(22,9kV ACSR-OC)
• 1992. 07.Passed 6.6kV and 22.9kV ACSR/AW-OC development tests
• 1996. 03.Passed the flame retardant control cable and flame retardant sheathed control cable with copper tape shield cable development tests
• 1998. 09.Acquired certificate of non-toxic flame retardant poly-olefin cable(NFR-EO, NFR-CO)
• 1998. 11.Won the ISO 9001 certification quality system (KETI)

2000

• 2001. 07.Acquired KS marks for UTP, VCT, KIV and vinyl cord
• 2002. 07.Acquired electrical appliances safety certificate for tray flame-retardant cables
• 2004. 02.Acquired KS mark for 6600V CV
• 2005. 05.Completed 2nd CCV Line *CCV(Catenary Continuous Vulcanizing)
• 2005. 06.Started to produce 22.9kV-y CNCV-W
• 2006. 02.Passed 22.9kV-y FR CNCO-W development test
• 2006. 12.Passed 22.9kV-y ACSR/AW-TR/OC development test
• 2007. 07.Acquired KS mark for UTP Cat 5E
• 2007. 09.Acquired electrical appliances safety certificate for CVF
• 2007. 11.Approved Certificate of Information and Communication Equipment
• 2008. 10Acquired electrical appliances safety certificate for 0.6/1kV HFCO
• 2008. 11Passed 22.9kV-y TR CNCE-W development test
• 2009. 09.Acquired Japan PSE mark for 600V CVT
• 2009. 11.Yong-Ho Jung took office as president

2010

• 2010. 03.Acquired electrical appliances safety certificate for 450/750V HFIX
• 2010. 09.Started exporting 600V CVT to Japan
• 2010. 10.Passed ACSR-AW/OC 35SQ development test
• 2010. 11.Passed 22.9kV-y TR CNCE-W development test
• 2011. 01.Passed 22.9kV-y TR CNCE-W/AL development
• 2011. 03.Acquired electrical appliances safety certificate for 0.6/1kV CV-W/AL
• 2012. 02.Received an award from Minister of Knowledge Economy for over 10 billon in electric industrial export
• 2012. 04.Acquired KS mark for 450/750V HFIX
• 2012. 09.Received an award at 2012 Small Business Ceremony in Daegu Acquired KS mark for 6/10kV HFCO
• 2013. 01.Passed 22.9kV FR CNCO-W/AL development test Passed 22.9kV ASC-W development test
• 2013. 03Established in-house Research Center.
• 2013. 09.Designated as KEPCO TRUSTED PARTNER
• 2014. 02.Acquired KS mark for 0.6/1kV HFCO
• 2014. 05.50th Anniversary Ceremony