2025 – DL E&C Data Center: Tank supply and double-wall piping
installation
2024 – Hyundai Data Center: Installation Double-wall piping
2024 – Daewoo Data Center: Tank supply and double-wall piping
2024 – Exported UL142 F-921 tank to U.S. military base in
Okinawa, Japan
2023 – Supplied UL142 tanks to Samsung project site in Saudi Arabia
2023 – Filed design registration for waste pyrolysis equipment
2023 – Exported UL2085 Fireguard Tank to U.S. military base in
Cebu, Philippines
2022 – Certified as a Venture Company
2022 – Supplied UL2085 Fireguard tanks to U.S. military base in
Pohang, South Korea
2021 - Export of UAE UL142 F-921 tank
2021 - Acquired ISO 14001 and ISO 9001 certifications
2021 - Recognized as an R&D Department
2021 - Export Fireguards to East Asia
2021 - Export F-921 type to UAE

2020 - Supply oil storage tank to Korea Aerospace Industries
2020 - Supply oil storage tank to the U.S. Embassy in Yongsan
2020 - Supply oil storage tank to the U.S. military in Pohang
2019 - The 1st phase export out of eight phased Double Wall Tank to
Iraq (Hanwha)
2019 - Export Fireguard TANK to Subic, the Philippines
2019 - Contract oil storage tank with Dongkuk S&C for Gimhae Airport (the U.S. military)
2019 - Export oil storage Tank to FIJI
2018 - MST expansion and relocation (about 2.86 Acre)
2017 - Exclusive contract of UL2085 Fireguard Tank for Osan Air Base, the U.S. military
2017 - Partnership with Clawson Tank, a member of STI, USA
2016 - Diesel refinement system IPU business partnership
2016 - Contract Saudi Aramco ARAMCO Stainless Steel Tank
2015 - Contract with Zubair, Iraq (Samsung)
2015 - Technology transfer, SANKI, China
2014 - Pressure vessel export supply contract with Algeria (STX)
2014 - Oil tank supply contract for the USFK Pyeongtaek Relocation
Project
2014 - Oil tank export contract with ARAMCO, Saudi Arabia
2013 - "U", "H", "HLW" certificate by ASME
2013 - UL Certication (UL2085, 142)
2013 - Est. Daehyun E&I dedicated R&D office
2013 - ISO 14001 (EMS)
2011 - Export mobile gas pump to Angola
2011 - ISO 9001 (QMS)
2011 - Exclusive technical partnership with Convault, USA
(UL2085 Aboveground tank)
2010 - 'U" certificate by ASME, USA
2008 - VRS equipment type approval certificate by Ministry of Environment
2008 - Mechanical equipment construction license acquired
2007 -VRS equipment technical partnership with Franklin Fueling,
USA

2010 - 'U" certificate by ASME, USA
2008 - VRS equipment type approval certificate by Ministry of
Environment
2008 - Mechanical equipment construction license acquired
2007 -VRS equipment technical partnership with Franklin Fueling,USA
2004 - Capital increase (971 Million Korean Won)
2004 - Est. Daehyun E&I, after merging Daehyun Steel and Daehyun
PERMATANK
2004 - Double-wall piping system supply contract with SK Networks
and Korea Expressway Corporation
2003 - Local double-wall piping system pilot installation in five sites
for Korea Expressway Corporation, and GS Caltex
2002 - Contracted as the local Double-wall piping system supplier for NUPI, Italy

1998 - Double Wall Tank supply contract with Mt. Geumgang gas
station, North Korea
1998 - Double Wall Tank supply contract with GS Caltex Corporation
and S-OIL
1998 - Est. Daehyun PERMATANK Eumseong Plant
1997 - Double Wall Tank contract with Hyundai Oil bank
1997 - Exclusive technical Partnership with STI, USA
1996 - Est. Daehyun PERMATANK Gonjiam Plant
1996 - Est. Daehyun PERMATANK
1996 - Exclusive technical partnership with PERMATANK, USA
1990 - Est. Daehyun Steel