Seohan Group
Seohan Group is a South Korean privately held conglomerate of 18 affiliates producing automotive driveline and powertrain control components (halfshafts, joints, brake discs, EGR valves, actuators), free-forged ship and wind power components, and xEV parts for Hyundai, GM, Ford, Stellantis, and global shipbuilders.
- Company typePrivate
- Founded2007
- HeadquartersIlsandong, South Korea
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What Seohan Group does
Seohan Group (서한그룹) is a privately held South Korean industrial conglomerate founded in 1974 (originally as Ulsan Ironworks) operating 18 affiliates — 8 of them overseas — across automotive component manufacturing, free forging, and wind power components. The group produces three principal product categories: driveline components (halfshafts with 17+ joint variants such as BJ, HBJ, UBJ, SJ, FCJ, CJ, ECJ; inner shafts; propeller shaft joints; brake discs including cast iron hybrid and nitrided variants); powertrain control components (electric turbo actuators, EGR valves, LP EGR butterfly/combi valves, on/off solenoid valves, electric vacuum pumps); and forged products spanning ship engine components (connecting rods, cylinder covers, propeller shafts up to 45 tons), wind power tower flanges/foundation rings/pitch/yaw bearings, and industrial plant components (flanges, tube sheets, diaphragms, generator shafts, titanium forgings). The group serves automotive OEMs (Hyundai Motor Group including Kia and Genesis, GM, Ford, Stellantis brands including Jeep/Dodge/Maserati/Alfa Romeo, Honda), major shipbuilders (HD Hyundai Heavy Industries, Hanwha Engine, Hitachi Zosen, Kawasaki Heavy Industries), and global wind turbine manufacturers including offshore projects like Hornsea and Coastal Virginia.
The group's revenue model is B2B negotiated-contract hardware sales to OEMs and tier-1 suppliers, with three primary revenue streams: automotive parts (halfshafts, axles, joints, brake discs, actuators, EGR valves, pumps, solenoids, plus growing xEV components for BEV/PHEV/HEV/FCEV), wind power components (tower flanges, foundation rings, pitch/yaw bearings, rotor house rings), and free forging products for shipbuilding and industrial plant. Pricing is quote-based under multi-year OEM contracts and not publicly disclosed. Go-to-market is direct B2B sales through regional sales subsidiaries (Seohan America in Troy MI, Seohan Globiz trading company serving US/Germany/Japan/Middle East, plus local sales offices within overseas manufacturing subsidiaries in China, Mexico, Romania, and Georgia). Two dedicated R&D institutes (Seohan Technology Research Institute and Kamtec Technology Research Institute) plus 226+ patent registrations and government R&D grants (4.7 billion KRW World-Class Plus Project, 2025) underpin the technology pipeline, with 2025 consolidated revenue of 3.3 trillion KRW and 3,379 employees across the global footprint.
Seohan Group firmographics
Firmographics- Name
- Seohan Group
- Legal name
- Seohan Group (서한그룹)
- Website
- http://www.seohan.com/
- Company type
- Private
- Founded year
- 2007
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Seohan Group is a South Korean privately held conglomerate of 18 affiliates producing automotive driveline and powertrain control components (halfshafts, joints, brake discs, EGR valves, actuators), free-forged ship and wind power components, and xEV parts for Hyundai, GM, Ford, Stellantis, and global shipbuilders.
- Ownership category
- akta.pro rank
Seohan Group industry classification
Industry- Product category
- Automotive Parts Manufacturing
- NAICS
- Motor Vehicle Gasoline Engine and Engine Parts Manufacturing (33631), Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing (33633), Motor Vehicle Brake System Manufacturing (336340), Motor Vehicle Electrical and Electronic Equipment Manufacturing (336320)
- SIC
- Motor Vehicle Parts & Accessories (3714), Engines & Turbines (3510)
- akta.pro primary industry
- Engine Components & Subsystems Manufacturing (Blocks/Heads/Valvetrain/Pistons) (IMACAHAB)
- akta.pro secondary industries
- Wheels, Tires, Brakes & Suspension Components Manufacturing (IMACAOAH), Aftermarket Exhaust & Emissions Components Manufacturing (Mufflers/Catalysts/DPF/EGR) (IMACANAE)
Keywords
Where Seohan Group is headquartered
LocationHeadquarters
- HQ city
- Ilsandong
- HQ country
- South Korea
- HQ region
- Asia
Offices16 records
Markets served
Seohan Group business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Automotive Parts Sales: Direct sales of automotive driveline components (Halfshaft, Axle, Joints), powertrain control components (EGR Valve, Actuator, Pump, Solenoid), and brake components to global OEMs and tier-1 suppliers.
- Wind Power Components Sales: Sales of wind turbine components including Tower Flange, Foundation Ring, Pitch Bearing, Rotor House Ring to wind turbine manufacturers.
- Free Forging Products Sales: Sales of free forged components for shipbuilding engines, industrial plant equipment, and flanges to shipbuilders and plant operators.
- International Trade: Export and import of automotive parts and raw materials through Seohan Globiz subsidiary, serving global markets in US, Germany, Japan, Middle East.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | B2B automotive components pricing - negotiated contracts with major OEMs |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels4 records
Seohan Group product offering
Product offeringCore offering
Seohan Group manufactures and supplies automotive driveline components (Halfshafts, Axles, Joints, Brake Discs), powertrain control components (EGR Valves, Actuators, Pumps, Solenoid Valves), free forging products for shipbuilding and industrial plant applications, and wind turbine components (Pitch Bearings, Tower Flanges, Foundation Rings). The group operates 18 affiliates including 8 overseas manufacturing subsidiaries, supplying major global automotive OEMs such as Hyundai, Kia, GM, Ford, and Stellantis.
Product overview
Seohan Group is a comprehensive automotive parts and forging manufacturer offering three main product categories: (1) Driveline & Powertrain - Halfshaft with 17+ joint variants (BJ, EUJ, HBJ, UBJ, SJ, DOJ, CJ, etc.), Inner Shaft, Joint for Propeller Shaft, Brake Disc (cast iron, hybrid, nitrided), Suspension Axle, Damper Fork; Actuators (ETA series, BLA-L, ACV, DCV), Solenoid Valves (ERCV, On/Off), Vacuum Pumps (EVP series), EGR Valves (DCM, LP Butterfly, LP Combi); (2) Wind Power & Forging - Tower Flange, Foundation Ring, Rotor House Ring, Sea Fastening for offshore wind; ship engine components (Connecting Rod, Cylinder Cover, Piston Rod, Crank Throw), industrial plant forgings (Ring Gear, Kiln Tire, Flange, Tube Sheet, Diaphragm, Generator Shaft, Titanium Forging); (3) xEV/Electrification - PRA, Fuse Box, ACVf, APCf, PLA, EOP for electric and fuel cell vehicles. The company operates two R&D centers developing future mobility solutions including SIMP platform and Electrified Axle systems.
Differentiator
Problem solved
Functional benefit
Brands
- Seohan GP: Professional racing team sponsored by Seohan Group subsidiaries for motorsports
- Korea Movenex (한국무브넥스)
- Seohan Innobility (서한이노빌리티)
Products and services
- Halfshaft
- Joint for Propeller Shaft
- Suspension Axle & Brake Complete
- Brake Disc
- Inner Shaft
- Damper Fork
- Turbocharger Actuator (ETA)
- ERCV (Electronic Relief Control Valve)
- EVP (Electric Vacuum Pump)
- DCM EGR Valve Gen2
- Tower Flange
- Foundation Ring
- Rotor House Ring
- Pitch Bearing
- Connecting Rod
- Cylinder Cover
- Piston Rod
- Crank Throw
- Propeller Shaft
- Chain Wheel
- Ring Gear
- Kiln Tire
- Eccentric Crank Shaft
- Forged Shell and Pipe
- Flange
- Tube Sheet
- Diaphragm
- Generator Shaft
- Titanium Forging
- PRA (Power Relay Assembly)
- Fuse Box (High Voltage)
- ACVf (Air Cut Off Valve-Fuel Cell)
- APCf (Air Pressure Control Valve-Fuel Cell)
- PLA (Power Lock Assembly)
- EOP (Electric Oil Pump)
Quantifiable outcome
- EcoVadis Platinum rating - top 1% globally with score of 90/100
- +3 more outcomes
Companies that use Seohan Group
Customer profileNamed customers16 records
Segments4 records
Ideal customer profiles4 records
Seohan Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature9 records
Seohan Group partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered minor and core.
- Ministry of Trade, Industry and EnergyminorWorld-Class Plus Project selection for future mobility 4-wheel independent drive electrification module development - 4.7 billion KRW government funding over 4 years.
- Hyundai Motor GroupcorePrimary strategic partner supplying driveline, powertrain control, and brake components for Hyundai and Kia vehicles including EV platforms. Long-term first-tier supplier relationship with significant component volumes.
- GM (General Motors)coreGlobal automotive OEM customer receiving automotive driveline components from Seohan Group affiliates.
- Ford Motor CompanycoreGlobal automotive OEM customer receiving automotive driveline components from Seohan Group affiliates.
- StellantiscoreGlobal automotive group supplying Jeep, Dodge, Maserati, Alfa Romeo brands with driveline components.
- HD Hyundai Heavy IndustriescoreMajor shipbuilding customer receiving propulsion shafting components including Connecting Rod, Cylinder Cover, Piston Rod, and Crank Throw for marine engines.
- Hanwha EnginecoreShip engine manufacturer customer receiving forged components. Recognized as top 3 excellent supplier out of 150 suppliers in 2025 evaluation.
Scale indicators13 records
Recent moves14 records
Expansion highlights6 records
Seohan Group competitors and assessment
Company assessmentDirect peers
- NTN Corporation: Japanese bearings and driveline manufacturer producing CV joints and constant-velocity joints - directly comparable to Seohan's Halfshaft and CV joint business. Notably, Seohan operates a US joint venture 'Seohan NTN USA', evidencing direct competitive and technical overlap.
- GKN Automotive (Dana Incorporated): Global leader in CV joints and driveline systems (now part of Dana); competes directly with Seohan in supplying Halfshaft and e-Axle content to major OEMs including Stellantis, BMW, and Jaguar Land Rover - the same customer overlap Seohan has with these brands.
- Hyundai Wia: Korean automotive parts manufacturer (former Hyundai-affiliated) producing driveline, engine, and chassis components - directly comparable to Seohan's driveline & powertrain control business for Hyundai Motor Group and other global OEMs.
- American Axle & Manufacturing: US-based Tier 1 supplier focused on driveline, propulsion, and metal forming - directly comparable to Seohan in driveline content for GM, Stellantis (Jeep, Dodge), and similar OEM customers with overlapping platform programs.
- Dana Incorporated: Global Tier 1 driveline and e-Propulsion supplier (acquired GKN Automotive) with strong EV axle and forging presence - directly comparable to Seohan's combined driveline and forging business and competing in similar OEM programs for EV transition content.
Broad incumbents
- Aisin Corporation: Japanese Tier 1 supplier producing drivetrain, brake, and engine components with broad coverage across global OEMs - overlaps significantly with Seohan's product portfolio (halfshafts, brakes, engine control components) and competes in similar customer programs.
- JTEKT Corporation: Japanese automotive and industrial parts manufacturer producing driveline, bearings, and steering systems - comparable to Seohan in driveline components and bearing-related products (Seohan's wind power bearings directly overlap).
- Hyundai Mobis: Korea's largest automotive Tier 1 supplier with broad portfolio across modules, chassis, and electronics. As primary in-house supplier to Hyundai Motor Group, Mobis is the principal competitor Seohan must position around for Hyundai-Kia driveline and EV module content.
- Schaeffler Group: German global automotive and industrial supplier producing driveline, bearings, and chassis components - comparable to Seohan across multiple product lines including bearings (for wind power and automotive), driveline components, and aftermarket/industrial applications.
Regional players
- Bharat Forge: Indian-headquartered global leader in automotive and industrial forgings, serving driveline and engine component programs. Comparable to Seohan's Korea Movenex and Seohan ENP forging operations, though operating primarily from a different geographic base.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
Seohan Group social profiles
Digital presenceSeohan Group compliance and trust
Trust signalCompliance15 records
Seohan Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
Seohan Group leadership team
Management profileNumber of profiles
Seohan Group subsidiaries and ownership
Company hierarchySubsidiaries16 records
Seohan Group funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Seohan Group M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Seohan Group
What does Seohan Group do?
Seohan Group manufactures and supplies automotive driveline components (Halfshafts, Axles, Joints, Brake Discs), powertrain control components (EGR Valves, Actuators, Pumps, Solenoid Valves), free forging products for shipbuilding and industrial plant applications, and wind turbine components (Pitch Bearings, Tower Flanges, Foundation Rings). The group operates 18 affiliates including 8 overseas manufacturing subsidiaries, supplying major global automotive OEMs such as Hyundai, Kia, GM, Ford, and Stellantis.
Is Seohan Group a public or private company?
Seohan Group is a private company. It is classified as family owned and is currently operating.
When was Seohan Group founded?
Seohan Group was founded in 2007. It employs 251 to 500 people.
Where is Seohan Group based?
Seohan Group is headquartered in Ilsandong, South Korea, in the Asia region.
How does Seohan Group make money?
Four revenue lines are on record. Automotive Parts Sales are the primary driver. The others are wind Power Components Sales, free Forging Products Sales and international Trade.
Who are Seohan Group's main competitors?
Direct peers on record are NTN Corporation, GKN Automotive (Dana Incorporated), Hyundai Wia, American Axle & Manufacturing and Dana Incorporated. Broad incumbents are Aisin Corporation, JTEKT Corporation, Hyundai Mobis and Schaeffler Group. Bharat Forge is listed as a regional player.
Does Seohan Group have an API?
No public API is recorded for Seohan Group.
What industry is Seohan Group in?
Seohan Group's product category is Automotive Parts Manufacturing. Its primary akta.pro industry code is IMACAHAB, Engine Components & Subsystems Manufacturing (Blocks/Heads/Valvetrain/Pistons), with a secondary code of IMACAOAH, Wheels, Tires, Brakes & Suspension Components Manufacturing. Its NAICS code is 33631 and its SIC code is 3714.