DONGSUNG METAL CO., LTD.

Company Name : DONGSUNG METAL CO., LTD.
CEO : Si-young Ryu / Shigeto Tsuchiya
Type of business : Manufacturing of new automobile parts
Business contents : Manufacturing and sales of automotive engine bearings, bushings, thrust washers, and metal-polymer bearings
Form of company : Mid-sized company
Established date : October 10, 1989
Number of Employee : 211 (as of February 2026)
Sales turnover : KRW 65,060,000,000 (2025)
Capital : KRW 6,120,000,000 (2025)
Business Profit : KRW 645,450,000 (2025)
Web site : https://dsm21.com/
Address : 74, Yongsangongdan-gil, Yongsan-myeon, Yeongdong-gun, Chungcheongbuk-do, Republic of Korea
Tel : +82-43-740-8400

Company Overview

DONGSUNG METAL CO., LTD. is a Korean automotive bearing manufacturer established in 1989 through cooperation with Japanese bearing specialist Daido Metal Co., Ltd. and YooSung Enterprise Co., Ltd.

The company manufactures automotive engine bearings, bushings, thrust washers, and various metal-polymer bearing products used in passenger vehicles, buses, construction machinery, industrial machinery, and high-performance engine applications.

DONGSUNG METAL supplies products for automotive and industrial applications while continuously expanding its manufacturing capabilities through automated production lines, polymer coating technologies, and environmental and quality management systems.

The company operates its headquarters and Yeongdong factory in Chungcheongbuk-do, as well as a plating factory in Gimcheon, Gyeongsangbuk-do.

Domestic Business Locations

Headquarters & Yeongdong Factory

Address : 74, Yongsangongdan-gil, Yongsan-myeon, Yeongdong-gun, Chungcheongbuk-do, Republic of Korea
Main Products : Engine bearings, bushings

Gimcheon Factory

Address : 57, Gongdan 4-gil, Gimcheon-si, Gyeongsangbuk-do, Republic of Korea
Main Products : Bearing plating

Seoul Office

Address : 560, Samseong-ro, Gangnam-gu, Seoul, Republic of Korea

Major Shareholders & Related Companies

YooSung Enterprise Co., Ltd.

Founded in 1959, YooSung Enterprise manufactures piston rings, cylinder liners, camshafts, valve guides, and related engine components.

Daido Metal Co., Ltd. (Japan)

Founded in 1939, Daido Metal is a global manufacturer specializing in metal-polymer bearings, engine bearings, turbomachinery bearing systems, and industrial bearing technologies.

The History of DONGSUNG METAL CO., LTD.

2022

April – Additional introduction of polymer coating equipment

2021

December – Introduced the 4th resin coating (DLA02) equipment line

2020

August – Introduced polymer coating Line 3

2019

March – Introduced polymer coating Line 2

2018

August – Obtained ISO 22301 certification
January – Introduced H/B 15 production line equipment

2016

July – Introduced polymer coating Line 1
July – Construction of polymer coating factory completed
April – Introduced polymer coating equipment

2015

September – Introduced HB 14 production line

2014

October – Introduced small bush and DU bush production line equipment

2013

August – Obtained OHSAS 18001 Occupational Health and Safety Management System certification
April – Relocated plating plant from Incheon to Gimcheon

2012

April – Introduced HB 13 production line

2011

September – Introduced HB 12 production line
September – Japanese executive Shigeto Tsuchiya appointed as co-CEO

2010

August – Expanded 300-ton press facilities
March – Introduced HB 11 production line

2008

August – Introduced domestically manufactured HB 10 production line

2007

December – Introduced ERP / POP / SOP management systems

2006

December – Introduced HB 9 production line
April – Obtained ISO 14001 Environmental Management System certification
March – Introduced SAPPHIRE fatigue testing machine

2005

November – Introduced HB 8 production line
April – Obtained ISO/TS 16949 Quality Management System certification

2004

August – Introduced BORING MC equipment and completed installation of 300-ton press
February – Expanded raw material warehouse

2002

June – Completed installation of A/T automated production line
February – Completed installation of HB 7 production line

2001

December – Expanded Yeongdong factory

2000

December – Completed installation of 200-ton press

1998

March – Japanese executive Yukiyuki Kanbara appointed as co-CEO

1997

December – Registered as a trading company
November – Established Incheon branch office
September – Established P8 and P9N plating factory in Incheon
August – Opening ceremony of Incheon Namdong factory
June – Completed installation of plating facilities at Incheon Namdong factory
February – Designated as a self-calibration company by the Korean Agency for Technology and Standards
January – Achieved Hyundai Motor’s 100 PPM quality target
January – Completed installation of Flange C/T production line

1995

December – Completion ceremony of Incheon Namdong plating factory
March – Japanese executive Kato appointed as co-CEO
January – Introduced C/T production line
January – Completed installation of HB 6 production line

1994

November – Expanded welfare center and factory
April – Completed installation of HB 4 production line

1993

November – Expanded production technology division
June – Installed multiple press machines including 150-ton and 160-ton presses
April – Completed installation of A/T bush and FDU bush lines
March – Completed installation of T/W and A/T lines

1992

December – Approved as a foreign-invested corporation by the Ministry of Finance

1991

December – Registered as a foreign-invested joint venture company
November – Completed installation of individual production lines
March – Si-young Ryu appointed as CEO

1990

December – Completed installation of 300-ton press

1989

October – Company established with H/B Line 1 and B/G production line
October – Opened Seoul office in Samseong-dong, Gangnam-gu
August – Completed installation of H/B Line 1 and B/G line
January – DONGSUNG METAL CO., LTD. established

1988

December – Approved for foreign investment

Main Products

Engine Bearings

High-performance engine bearings used in passenger cars, buses, construction equipment, and high-speed engine applications.

Metal-Polymer Bearings

Self-lubricating bearings with strong wear resistance used in industrial equipment, construction machinery, power plants, rail systems, and various industrial applications.