Unsparing investment, continuous technology development,
production of products for the highest quality.
Beyond customer satisfaction DONGNAM for customer happiness
Let me introduce the steps of DONGNAM, who has always walked with our customers.
DONGNAM Challenge and start
1970's ~ 1990's
1994 01 Established production factory
(Rod, screw processing, production of
machine parts, etc.)
1988 04 Expansion relocation
(Gocheok-dong, Guro-gu, Seoul)
1983 07 Dongnam Bolt Industrial Co., Ltd.
(Expansion and change of company name)
1979 02 Established Dongnam Trading Co.
DONGNAM Growth and leap
2000's ~ 2016's
2016 10 Material · Certified as a parts
specialist company
2015 12 Acquired MAIN-BIZ certification
(Management Innovation
Small Business)
08 Expansion of 2nd plant
2014 01 Establishment of affiliated
research institute
2012 10 Dongnam Co., Ltd.
(Change of name)
2011 04 Moved head office and factory expansion
(Present location)
2010 02 Acquired ISO9001: 2008 Quality
Management System Certification
2005 11 Expansion of head office and factory
(chungwang-dong, Siheung-si,
Gyeonggi-do,Republic of Korea)
2000 12 Acquired ISO 9002 / KS A 9002 Quality
Management System Certification
Customer Satisfaction DONGNAM
2017's ~ The present
2022 06 Registration of Patent for
"Safety management monitoring system
for smart sensor bolts and bridges to
which they are combined"
(Patent No. 10-2410750)
04 Registration of Patent for "Bridge Safety
Management Monitoring System "
(Patent No. 10-2394319)
2021 06 Commencement of Smart factory system
2020 12 Expansion of Factory site
(3rd Factory)
12 Acquisition of CE for turn buckle M8
01 Registration of Patent for
“portable punching marker”
(Patent No.10-2066350)
2019 09 Registration of Patent for
“Insert system for Deck plate”
(Patent No.10-2058520)
06 Acquisition of KS for Basic bolt (KS B 1016)
02 Renewal of ISO 9001
2018 09 CE Certificate "Turnbuckle, Clevis,
Eye nut" - UK Hpi VS
03 Patent registration
"Hanger bolt for installation of ceiling
frame and its manufacturing method“
(Patent No.10-1840365)
02 Acquired ISO9001: 2015 Quality
management system
02 Patent registered "Tapping device"
2017 11 Patent registration
"insert for deck plate"
(Patent No.10-1797532)