1995

Founded in Masan, Gyeongnam, starting with contract machining

1999

Entered nuclear sector at Doosan Enerbility (formerly Hyundai Heavy Industries)

2002

Started business in machine tool sector as a primary partner of Hyundai WIA

2003

Expanded into shipbuilding and land sectors as a primary partner of STX

2005

Obtained ISO 9001 certification

2008

Obtained ISO 14001 certification

2013

Participated in ITER Project; secured Thermal Shield construction contract

2014

Completed nuclear power plant manufacturing facility (land: 18,500 m², building: 12,500 m²)

2015

Acquired KEPIC-MN certification for nuclear power manufacturing

2016

Started vacuum chamber business for Display (FDP) production

2018

Renewed KEPIC-MN/SN certification for nuclear manufacturing

2020

Registered as a qualified supplier with KHNP

Entered SMR business; registered as a partner of Korea Atomic Energy Research Institute

Secured SMR mockup fabrication project and successfully completed development

2022

Converted from a private business to Samhong EMC Co., Ltd.

Secured investment from POSCO Technology Investment (Energy Innovation Growth Fund)

Approved and signed TIPS Program with Ministry of SMEs and Startups

2023

Obtained overseas nuclear ASME - NA/NPT/NS certifications

Secured ITER Project Phase 2 Thermal Shield contract

Secured and developed CRDM for SMR

2024

May–Jul

Second round of investment (POSCO Tech Investment, SBC, Earnest)

2025

Aug–Oct

Third round of investment (Pre-IPO)