2018

• Acquired ISO 3834 (Welding process : 131, Material Group : 21;22)
• Updated ISO 9001 : 2015 (KMR)

2017

• Renewal as qualified partner of MHPS

2015

• Updated ASME Code Stamp (S, U, PP)

2014

• Renewal as a qualified vendor of MHPS
• Renewal as a qualified partner of Toshiba
• Approved as excellent partner for quality management system of Hitachi (Wind Turbine)
• Updated KEPIC (MN & SN)

2013

• Updated ISO 9001 – 2008 (KMAR)

2012

• Registered as partner of Howden
• Acquired ASME (NPT,NS)
• Registered as partner of Hanhwa E&C
• Registered as partner of Daelim Industrial

2011

• Changed the business name to DHHI Co., Ltd.
• Registered as partner of BIS Gerber GmbH
• Updated KEPIC (MN)
• Acquired KEPIC (SN)
• Updated ASME Code Stamp (U, S, PP)
• Registered as partner of MHI (Mitsubishi Heavy Industries)
• Constructed the 3rd factory (Georyu-myeon, Goseong-gun, Gyeongsangnam-do)

2010

• Registered as partner of GE AEP
• Registered as partner of BHK
• Registered as partner of Alstom/TAIYO
• Updated ISO 9001:2008 Manual

2007

• Established DHHI research institute of technology

2006

• Began to supply Diffuser duct to GE directly
• Registered as partner of Korea Hydro & Nuclear Power Co., Ltd.

2005

• Established the 2nd factory (Jinyeong-eup, Gimhae, Gyeongsangnam-do)
• Acquired KEPIC (MN)
• Registered as partner of Hyundai E&C

2003

• Registered as partner of Nippon Steel & Sumitomo Metal Corporation
• Registered as partner of TOSHIBA

2002

• Supplied GE 7FA & 9FA Diffuser
• Acquired ASME Code Stamp (U, S, PP)
• Registered as partner of SIEMENS
• Registered as partner of CAMFIL-FARR

2000

• Registered as supplier of GE G/T Exhaust System
• Supplied Exhaust Diffuser duct to GE.

1999

• Acquired ISO 9001(ABS)
• Registered as supplier of GE G/T Inlet System and supplied Inlet Plenum

1998

• Registered as partner of Daewoo Engineering

1997

• Registered as partner of POSCO Engineering
• Registered as partner of KEPCO

1996

• Relocated and established head office & factory (Jinrye-myeon, Gimhae, Gyeongsangnam-do)

1994

• Registered as partner of Hyundai E&C Co., Ltd.

1987

• Registered as partner of Hankook Heavy Industries (now, Doosan Heavy Industries & Construction )
• Registered as partner of Daewoo Shipbuilding Co., Ltd.
• Changed the business name to DAEHEUNG Machine Industry Co., Ltd.
• Established DAEHEUNG Metal (Buam-dong, Jin-gu, Busan)