2025

• 03Established Indonesia Representative Office

2024

• 05Received the Grand Prize for “Outstanding Safety Management Site” from SH Corporation

2023

• 05Acquired ISO 45001 certification

2022

• 12Acquired Dongwon Energy Co., Ltd.

• 06Acquired Ariwell Co., Ltd.

2021

• 12Acquired E-Well Co., Ltd. and E-Well Energy Co., Ltd.

• 01Launched construction brand “OVU”
  Received Grand Prize in “Beautiful Architecture of Cheongju City” competition

2020

• 10Received Minister’s Award from the Ministry of Land, Infrastructure and Transport at the “Korea Architecture Culture Awards”
  Received Architectural Award from the “Korean Institute of Architects”

2019

• 10Acquired ISO 14001 certification

2018

• 07Expanded Bal-an Plant

• 01Established Chinese corporation

2017

• 10Established Hong Kong corporation

• 06Acquired Industrial Environment Facility Construction license
  Absorbed Elim Hydro Co., Ltd.
  

2016

• 12Received Special Award in “Beautiful Architecture of Anyang City”

• 04Acquired Specialized Firefighting Facility Construction license

2015

• 05Acquired Civil & Architectural Construction license

2014

• 01Received New Technology Certification (RO Seawater Desalination Technology) from the Ministry of Environment

2013

• 11Received Gold Prize at the “Korea Water Technology Exhibition”

• 08Selected as national project operator for “Phosphorus Removal MBR Technology for Sewage/Wastewater Treatment”

• 07Registered as Electrical Construction Contractor

• 06Selected as KB Kookmin Bank Hidden Star 500 company

• 05Certified as a Venture Company

2012

• 07Registered as General Building Contractor

• 03Changed company name to Welcron Hantec Co., Ltd.

2011

• 8Registered as Mechanical Equipment Construction Contractor

2010

• 11Became largest shareholder of Gangwon B&E Co., Ltd.

• 08Registered as Specialized Renewable Energy Facility Installer

• 02Lee Young-gyu appointed as CEO

2009

• 05Received the “$5 Million Export Tower” Award

2008

• 07Listed on KOSDAQ

• 03Selected as Partner Company by Korea Institute of Industrial Technology

• 01Acquired Industrial Environment Facility Construction license

2007

• 12Acquired ASME “U” Stamp

• 10Registered as Foreign-Invested Enterprise

2005

• 11Acquired Chinese Pressure Vessel Manufacturing (SEL) Certification

• 08Registered as Water Pollution Prevention Facility Contractor

• 07Registered as Energy Saving Company (ESCO)

2004

• 08Selected as Innovative Small & Medium Enterprise (INNO-BIZ)

2003

• 11Received the “$1 Million Export Tower” Award

2002

• 4Acquired ISO 9001 certification

2001

• 04Relocated to newly built Siwha Plant

2000

• 06Selected as Promising Small & Medium Enterprise by Gyeonggi Province

• 04Established Corporate Research Institute

1998

• 10Selected by Korea Technology Finance Corporation as Excellent Technology Holder

1996

• 07Selected as Technology Development Pilot Company (Industrial Bank of Korea)

• 04Relocated to newly built Icheon Plant

1995

• 1Changed company name to Hantec Engineering and incorporated

1994

• 1Founded as Dongbang Engineering