Hyundai WIA Corporation (Formerly WIA Corporation)

Company Profile



153 Jeongdong-ro, Seongsan-gu, Changwon, Gyeongnam, Korea

Business Overview

-An auto parts manufacturer in the Hyundai/Kia Automotive Group. It is the only Korean auto parts manufacturer that produces engines.

-The company's business is divided into the following two categories

Business Segments Products Notes
Automotive Parts - Engine
- General parts (transmission, constant velocity joints, etc.)
- Modules (Chassis modules, platform modules, etc.)
The Company has engine plants in Korea, Shandong, China, Mexico, and Russia.
Machinery - Machine Tools
- Industrial equipment (presses, production equipment)
- Specialty Products (Aircraft Components)

-In the fiscal year that ended in Dec. 2022, the automotive-parts business accounted for 90% of company-wide sales.


(As of Dec. 31, 2022)

Major Shareholders Interest Ratio (%)
Hyundai Motor Company 25.35
Kia Motors Corporation 13.44
Total 38.79


-Thermal Management Module
- Electrified Axle
- Motor & Inverter



Gasoline Engine
- Kappa Engine
- Gamma Engine
- Nu Engine
- Theta Engine

Diesel Engine
- 4D56 Engine
- J2/JT Engine
- U2 Engine

Turbocharger Engine



Chassis Module
- Platform Module
- Front Chassis Module
- Rear Chassis Module

Axle Module
- Truck Front Module
- Truck Rear Module

Tire Module



- FR Axle/ FRONT (FR Axle/ FRONT)
- FF Axle / REAR (FR Axle/ REAR)
- FF Axle

PTU (Power Transfer Unit)
-1-axis PTU
-2-axis PTU
- Offset PTU

ATC (Active Transfer Case)

e-LSD (Electronic Limited Slip Differential)



CVJ:Constant Velocity Joints

Constant velocity joint

Outboard Joint
- RBJ (Rzeppa Ball Joint)
- LBJ (Lean-manufacturing Ball Joint)
- CBJ (Compact Ball Joint)
- CUJ (Compact Undercut-free Joint)
- HUJ (High Performance Undercut Joint)

Inboard Joint
- TJ & TJi (Tripod Joint)
- LTJ (Lean-manufacturing Tripod Joint)
- CTJ (Compact Tripod Joint)
- CWTJ (Compact Wrinkled Tripod Joint, Anti-Shudder)
- TSJ (Tri-Spherical Joint)
- HDJ (Tri-Spherical Joint)
- CGJ (Cross Groove Joint)
- HCG (High-Efficiency Cross Groove)




- Hot Forging
- Cold Forging
- Radial Forging
- Mixed Forging

- Nodular Cast Iron
- Gray Cast Iron

- Bevel Gear
- Diff Case
- Hollow Shaft
- Planet Carrier
- Outer Race
- Differential Assembly
- Transfer Assembly


Mar. 1976 The Company was established.
Mar. 1979 The Company started manufacturing automotive transmission systems.
Oct. 1986 The Changwon Plant and Namsan Plant were completed.
Apr. 1988 A testing and prototyping facility was completed.
May. 1989 The Company established a U.S subsidiary.
Jan. 1990 The Ansan Plant and Banwol Plant were completed.
Apr. 1993 The Gwangju Plant was completed.
Dec. 1993 The Company manufactured its 1 millionth transmission system for commercial vehicles, recording the largest production volume among transmission manufacturers in Korea.
Jan. 2000 The Company adopted a new company name, WIA Corporation.
Jun. 2000 The Company manufactured its 3 millionth constant velocity joint.
Aug. 2000 The Company was spun off from the Hyundai Group.
Apr. 2001 The Company became a group company of the the Hyundai Motor Group.
Dec. 2001 The Company received QS9000 and ISO14001 certifications.
Mar. 2004 The Company increased its production capacity to make 1.5 million CV joints per year.
Jul. 2004 The Company launched commercial production of automotive chassis modules.
Dec. 2004 The Company increased production capacity to make 2 million CV joints per year.
Jan. 2005 The Company established Wia Automotive Parts Co.,Ltd. (Zhangjiagang) in Jiangsu Province, China.
Feb. 2005 The Company obtained ISO/TS16949 certification.
Jun. 2005 The Company and Fuji Univance Corporation formed a technical alliance in the area of electronic control transfers for front-engine, rear-drive-wheel vehicles.
Oct. 2005 The Company started producing manual transmissions for passenger vehicles.
Oct. 2005 The Company entered the automotive engine market.
Nov. 2006 The Company established WIA Automotive Engine (Shangdong) Co., Ltd. in Shangdong Province.
Jan. 2007 Jointly with Dymos and Hyundai Powertech, which are members of the Hyundai Motor Group, the Company established Hwaseong Drivetrain R&D Center in Hwaseong, Korea. 
Apr. 2007 A new engine plant was completed in Shandong Province, China. 
Jan. 2008 The Company completed new CVT plant in Jiangsu Province, China.
Sep. 2008 The Company completed engine plant No.2 in Shandong Province, China.
Jan. 2009 The Company established WIA Magna Powertrain jointly with Magna Powertrain AG of Austria, entering the electronic control coupling business for all-wheel-drive vehicles.
Aug. 2009 The Company adopted a new name, Hyundai WIA Corporation.
Sep. 2009 WIA Automotive Parts Co.,Ltd. (Zhangjiagang) adopted a new corporate name, Jiangsu Hyundai WIA Co., Ltd.
Mar. 2010 The Company established Hyundai WIA India Pvt. Ltd. in India.
Sep. 2010 Production of the Kappa engine started at the Pyeongtaek Plant.
Dec. 2010 The Company manufactured its 20 millionth CVJ.
Feb. 2011 The Company was listed on Korea Exchange.
Jun. 2011 Mass production of dual clutch transmissions (DCTs) started at the Changwon Plant.
Aug. 2013 The Company and IHI of Japan have jointly established Hyundai WIA IHI Turbo Co., Ltd. in Korea
Jul. 2014 The Company established Beijing WIA Turbocharger Co., Ltd. in China.
Sep. 2014 The Company established Hyundai WIA Mexico S. DE R.L. DE in Mexico.
Apr. 2015 The Company produced 5 millionth transfer.
Jul. 2015 Opened a training center at Shandong Hyundai Wia Automotive Engine Company.
Mar. 2016 The Company completed a plant in Mexico.
Mar. 2016 The Company produced 100 millionth CVJ.
Jul. 2016 Increased production lines producing CVJs at production plant in Jiangsu Province, China
Mar. 2017 Started production of diesel engines at the Seosan Plant in Korea
Sep. 2021 Completed construction of an engine plant in St. Petersburg, Russia.

Supplemental Information 1

The Hyundai Motor Group's Ratio of Shareholding in Automotive Companies

(As of Dec. 31, 2022)

Hyundai Motor Group Correlation Chart

Name of group company


Company in which the company holds shares


Hyundai Kefico

Hyundai Motor - 33.88% - 41.13% 25.35% 100.00%
Kia Corporation - - 17.24% 40.43% 13.44% -
Hyundai Mobis 21.43% - - 15.74% - -
Hyundai WIA - - - 1.88% - -
Hyundai Steel - - 5.82% - - -
Hyundai GLOVIS - - 0.69% - - -

>>>Business Report up until FY ended Dec. 31, 2013
>>>Business Report up until FY ended Dec. 31, 2014
>>>Business Report up until FY ended Dec. 31, 2015
>>>Business Report up until FY ended Dec. 31, 2016
>>>Business Report up until FY ended Dec. 31, 2017
>>>Business Report up until FY ended Dec. 31, 2018
>>>Business Report up until FY ended Dec. 31, 2019
>>>Business Report up until FY ended Dec. 31, 2020
>>>Business Report up until FY ended Dec. 31, 2021

Note: A figure in brackets ( ) indicates a loss