· Eom Joo-heung became a CEO in January 2019
· Chameleon security label was commercialized for the first time in Korea in June 2021
· In July 2021, The Hydrogen Discoloration Tape was selected as a key technology and was supported by
  Commercialization Promotion Agency for R&D Outcome(COMPA)
· In November 2022, Signed a joint development and technology transfer agreement for sensors of detecting
  wide-range hydrogen leakage (Ajou University)
· Acquired ISO 45001 (Safety and Health Management System) in December 2022
· Acquired ISO50001 (Energy Management System) in December 2022
· Acquired ISO27001 (Information Protection Management System) in March 2023

· In February 2013, Established the corporation in China (Hyeju)
· In May 2013, Established the corporation in Malaysia (Seremban)
· In November 2013, Established the Corporation and the first factory in Vietnam (Vin Phuc)
· Ochang Factory was established in November 2015 (Ochang-eup, Cheongju-si, Chungcheongbuk-do)
· In September 2016, Established the second factory in Vietnam
· In December 2016, Awarded “$100 million Export Company” on the 53^rd Trade day
· In June 2018, Established the third factory in Vietnam

· In September 2006, Moved and Expanded the headquarter (Seogeun-ri, Paltan-myeon, Hwaseong-si)
· Selected as “Export Promising Small and Medium Business” in June 2007
· Establishment of an American office in April 2008
· Acquired Samsung Electronics’ environmental system certification in March 2009
· Acquired environmental system certification from SONY, Japan in March 2009
· Establishment of the third factory in August 2010 (Noha-ri, Paltan-myeon, Hwaseong-si)
· Factory 4 was established in October 2010 (Seogeun-ri, Paltan-myeon, Hwaseong-si)
· In October 2010, an investment agreement was signed in Ochang Science Industrial Complex, Chungcheongbuk-do
· In December 2012, Transferred and expanded the factory in Gumi(Industrial Complex-dong)

· Daehyeon ST Co., Ltd. was established in December 1999 (Deokuri, Paltan-myeon, Hwaseong)
  Busan office was established in January 2002
· In January 2003, Selected “Internet Frontier Company” in Gyeonggi-do
· Authorized by Daehyun ST Corporation-affiliated research institute in February 2004
· Establishment of Gumi Plant in October 2004 (Gisan-myeon, Chilgok-gun)
· Acquired Samsung SDI-Partner certification in November 2005