2020

• 11 Acquired ISO9001:2015 certification Build a smart factory

2019

• 06 New office building (Apryang-eup, Gyeongsan-si)

2018

• 03 Participated in the 32nd China International Hardware Fair (CIHF)
• 11 Venture business certification

2017

• 09 Registered a patent for coupler packing structure

2016

• 07 Patent registration of split piston air gun

2015

• 03 Launched new multi air gun
• 03 Participated in the 27th China International Hardware Fair (CIHF)

2013

• Design patent registration
• Development and production of Korean line couplers
• 03 Air coupler valve design registration

2012

• 01 Registered utility model for coupler
• 03 Produced Korean air coupler

2008

• Started processing line automation facility

2007

• 03 Visited every year after participating in the 12th China International Tool Exhibition

2006

• 06 Changed company name to DM Hi-Tech

2005

• 05 Selang belt development and production
• 08 Signed an agency with Dongshin Tooling System Co., Ltd.
• 11 Large coupler production

2003

• 04 Established Shanghai branch in China

2001

• 01 Converted to a corporation Dongsung Tech Co., Ltd.

2000

• 11 Acquired a patent for line coupler

1996

• 11 Dongsung Industry Gyeongsan factory construction

1995

• 04 Hyundai Motor Company product registration (one-touch coupler, etc.)
• 05 Concluded an agency with responsible tech tool

1994

• 12 Dongsung Industry Changwon factory construction

1993

• 12 Established Dongsung Electric Machinery (automotive parts manufacturing)
  (bus, truck, fuse, box complete assembly)

1992

• 05 Established Dongsung Enterprise (Comprehensive Tool Corporation)

1991

• 06 Started to develop one-touch coupler
• 12 Established Dongsung Industry (industrial AIR parts)