What ASENSTEC INC. does

SJG ASENTEC CO., LTD. (ASENSTEC INC.) is a South Korea-headquartered automotive component manufacturer specializing in sensors and actuators, established in September 2009 as part of the SJG Group conglomerate. The company's product portfolio centers on Wheel Speed Sensors (WSS) — a category in which it achieved first-in-Korea localization and scaled to 1 million units per month by April 2014 — and extends into autonomous-driving components (SBW actuators, Pedal Travel Sensors, ADAS radar-based systems), electrification components (hydrogen detection sensors for fuel cell vehicles, current sensors for BMS/inverter/on-board chargers, Water Trap assemblies for fuel cell stacks), and supporting wire harnesses and FAKRA high-frequency cables. The hydrogen sensor is reported as the world's first mass-produced MEMS-based detection sensor for hydrogen fuel cell vehicles, representing a notable technology first.

The business model is B2B enterprise hardware sales to global automotive OEMs and Tier-1 suppliers, with no disclosed public pricing. Customer relationships include direct supply to Hyundai Motor Company, Kia, and Stellantis, plus Tier-1 supply to Hyundai MOBIS (which awarded ASENTEC 'Excellent Supplier of the Year 2021'), MANDO, HL Klemove, ZF, Hyundai WIA, KODACO, and Garrett. Manufacturing and R&D operations span 8 countries — Korea (HQ in Asan), Vietnam (Phu Tho), China (Yancheng, Taicang R&D), USA (Alabama, Georgia), Mexico (Monterrey), Czech Republic (Karviná), Slovakia (Žilina), and Russia (Saint Petersburg) — supporting proximity to global OEM clusters. Total headcount is 1,113 (Korea 188, Vietnam 400, China 525), with the SJG Central R&D Center (Yongin and Ulsan) handling group-level R&D for fuel cell components, sensors, and SCR systems. The 2030 corporate vision targets 300 billion KRW in revenue and 30 billion KRW in profit, with 30% of revenue derived from new businesses.

Name

ASENSTEC INC.

Legal name

SJG ASENTEC CO., LTD.

Website

https://asentec.co.kr

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

101–250 employees

Short description

SJG ASENTEC is a South Korea-based automotive sensor and actuator manufacturer serving global OEMs and Tier-1 suppliers with wheel speed sensors, shift-by-wire actuators, hydrogen sensors, pedal travel sensors, and ADAS components, producing across 8 countries.

Ownership category

akta.pro rank

Product category

Automotive Sensors and Actuators

NAICS

Motor Vehicle Electrical and Electronic Equipment Manufacturing (336320), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451)

SIC

Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Automotive Sensors Manufacturing (Position/Pressure/Temp/IMU/Radar/LiDAR Cameras) (IMACAJAD)

akta.pro secondary industries

Active Safety Sensing Hardware Manufacturing (Radar/LiDAR/Cameras/Ultrasonic) (IMACAMAF), Automotive Infotainment, Telematics & Connectivity Hardware Manufacturing (TCU/V2X/GNSS) (IMACAJAH)

Keywords

• Automotive sensors
• Vehicle actuators
• Autonomous driving components
• Hydrogen fuel cell sensors
• Wheel speed sensors

Headquarters

HQ city

Asan

HQ country

South Korea

HQ region

Asia

Offices16 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Automotive Sensor Sales: Sales of wheel speed sensors (WSS), hydrogen sensors, and related automotive sensors to OEMs and tier-1 suppliers
2. Actuator Product Sales: Sales of SBW (Shift By Wire) actuators and pedal travel sensors for autonomous driving applications
3. Wire Harness Assembly: Production and sales of integrated wiring harnesses for automotive applications

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

SJG ASENTEC develops and manufactures automotive sensors, actuators, and electronic components for safety, eco-friendly, and autonomous driving applications. Its core product is the Wheel Speed Sensor (WSS), with a broader portfolio including SBW (Shift By Wire), Pedal Travel Sensors, ADAS systems, hydrogen sensors, current sensors, wire harnesses, and continuous damping control systems. The company supplies these components to global automotive OEMs and Tier-1 suppliers, with production facilities across 8 countries.

Product overview

SJG ASENTEC is a mobility parts specialist company focused on sensors and actuators for the automotive industry. The product portfolio centers on Wheel Speed Sensors (WSS) as the core product, complemented by autonomous driving components including SBW (Shift By Wire) actuators, PTS/PTSW (Pedal Travel Sensors), and ADAS systems. The eco-friendly vehicle lineup includes Hydrogen Sensors developed using MEMS technology and Current Sensors for battery management. Supporting products include Wire Harness Assemblies, Water Trap systems for fuel cells, CDC (Continuous Damping Control), NTC Temperature Sensors, and FAKRA cables. These products work together as integrated systems for vehicle safety, autonomous driving, and electrification applications.

Differentiator

Problem solved

Functional benefit

Products and services

• WSS (Wheel Speed Sensor) A device that detects the rotation speed of vehicle wheels and transmits the signal to the ABS ECU, fundamental for anti-lock braking systems and vehicle stability control.
• SBW (Shift By Wire) Electronic gear shifting system available in Separated and Integral types that changes gear positions via motor rotation through electronic control without mechanical connection, required for automatic transmission, automatic parking, and autonomous driving.
• ADAS (Advanced Driver Assistance System) System that automatically controls distance by measuring distance and speed to the vehicle ahead using front radar and operating engine and brake at set speed, including AEB, LKAS, ASCC, ABSD, and AVM features.
• FAKRA Cable (High-Frequency Telematic Harness) High-frequency cable for car audio and video signal transmission between camera and ECU, with operating frequency of 4GHz.
• PTS (Pedal Travel Sensor) Brake pedal-mounted sensor that transmits pedal angle output value as a SENT signal, a core electric component for autonomous driving in electric vehicles.
• PTSW (Pedal Travel Sensor Wake-Up) Pedal sensor with wake-up function that determines key-on status when pedal displacement value exceeds threshold, enabling power-limited operation mode entry.
• Water Trap Ass'y (Condensate Water Separator) Device for storing and discharging condensate generated at the anode of fuel cell stacks, detecting water levels via sensors and discharging through drain valve.
• ISS (Input Speed Sensor) Sensor for detecting transmission input shaft rotation speed, mounted in the transmission gear box, with operating frequency of 1-5000Hz.
• Hydrogen Sensor Sensor for detecting hydrogen gas leakage and diagnosing vehicle safety, developed as the first in South Korea using MEMS technology and first in the world to mass-produce such components.
• Wire Harness Ass'y Harness mounted on the connection between torque sensor and MDPS ECU, transmitting torque sensor signal to the ECU for steering control.
• CDC (Continuous Damping Control) System that actively electronically controls damping force of mechanical dampers while protecting internal components from watertight penetration, applied only to ECS specifications.
• PSCA (Pinion Sensor Cover Ass'y) Device installed under the steering wheel to recognize driver steering intention via torque sensor and transmit to MDPS for steering performance and stability.
• NTC Temperature Sensor Temperature sensor for automobile motor interiors, mounted inside motor coils, with operating temperature range of -40 to 200 degrees Celsius.
• Current Sensor Sensor measuring electrical current using Hall sensor technology, with applications in BMS, Inverter, LDC, and On-board Charger systems.

Quantifiable outcome

• WSS production capacity of 1 million units per month achieved in 2014
• +2 more outcomes

Named customers11 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Eight partnerships are on record, tiered core.

• SJG EVcoreStrategic or Co-development Partner · 1 January 2020SJG EV CO., LTD. - Established 2020, Hydrogen fuel cell metal separating plate production. Affiliate company within SJG group located in Chungju, South Korea.
• SJG ASENTEC VietnamcoreStrategic or Co-development Partner · 20 November 2018SJG ASENTEC VIETNAM CO., LTD. - Subsidiary manufacturing WSS and Wire Harness. Established November 20, 2018 in Phu Ha Industrial Park, Vietnam.
• JIANGSU ASENTEC SensorcoreStrategic or Co-development Partner · 20 December 2013JIANGSU ASENTEC SENSOR CO., LTD. - Subsidiary manufacturing WSS, WHA, TSS, Pressure Sensor. Established December 20, 2013 in Yancheng, China.
• SJG SEJONG (세종)coreStrategic or Co-development Partner · 10 September 2009SJG SEJONG CO., LTD. - Established 1976, Muffler/Converter production. Parent/affiliate company within SJG group. Located in Ulsan, South Korea. Also merged with Sejong ATT in April 2022.
• SJG SEWOOM (세움)coreStrategic or Co-development Partner · 1 January 2006SJG SEWOOM CO., LTD. - Established 2006, Commercial Vehicle Muffler production. Affiliate company within SJG group located in Jeongeup, South Korea.
• SJG SEJUNG (세정)coreStrategic or Co-development Partner · 1 January 1995SJG SEJUNG CO., LTD. - Established 1995. Affiliate company within SJG group located in Asan, South Korea.
• SJG CENTRAL R&D CENTERcoreTechnology or Integration · 1 January 1993SJG CENTRAL R&D CENTER - Established 1993. R&D centers in Ulsan and Yongin, South Korea focused on Electric Device for Vehicle (Fuel Cell Part, Sensors, SCR System) and Green Energy.
• StellantiscoreTechnology or IntegrationMajor global automotive group owning Peugeot, Citroën, FIAT, Chrysler, Maserati brands. Supply contract signed December 2021 for WSS supply for Smart car Wave2 Platform. NSA (New Supplier Audit) passed/registered in June 2021.

Scale indicators10 records

Recent moves10 records

Expansion highlights6 records

Direct peers

• MANDO: Korean Tier-1 brake and chassis supplier using Asentec's PTS (Pedal Travel Sensor) for Geely/Volvo/HMC platforms. Also develops competing sensor and actuator products for ADAS and electrified braking systems.
• Hyundai MOBIS: Hyundai Motor Group's in-house Tier-1 supplier producing sensors, actuators, and ADAS modules. Asentec's largest customer (WSS supply, Excellent Supplier award 2021) but also the most likely future in-housing threat.
• Sensata Technologies: Pure-play automotive and industrial sensor manufacturer producing pressure sensors, WSS, and current sensors. Closest pure-sensor peer to Asentec in terms of product mix and customer profile, with comparable scale and automotive focus.
• ZF Friedrichshafen: Tier-1 supplier of driveline, chassis, and sensor technologies including WSS and SBW actuators. Also a customer of Asentec (automotive sensor supply) and direct competitor for SBW and sensor sockets at global OEMs.
• HL Klemove: Korean automotive sensor and ADAS specialist (formerly Mando-Hella). Competes in WSS and ADAS sensor categories and is both a customer and competitor of Asentec in the Korean supplier ecosystem.

Broad incumbents

• Aptiv: Global automotive technology supplier focused on active safety, ADAS, and signal/power architecture. Competes in sensor categories including ADAS radar and high-frequency cabling (FAKRA), serving many of the same global OEMs as Asentec.
• Continental AG: Major automotive sensor and actuator manufacturer producing wheel speed sensors, ADAS components, and current sensors for OEMs globally. Competes head-to-head with Asentec in nearly every sensor category they serve.
• Denso Corporation: Japanese Tier-1 supplier and dominant force in automotive sensors (especially for Japanese OEMs and increasingly globally). Competes in WSS, current sensors, ADAS, and hydrogen fuel cell components, often with proprietary in-house technology.
• Bosch: World's largest automotive supplier with a dominant position in WSS, ABS sensors, ADAS radar, and fuel cell components. Direct overlap with Asentec across most product categories, but at vastly greater scale and with broader portfolio.

Regional players

• Ningbo Tuopu Group: Chinese automotive supplier expanding into sensors, actuators (SBW), and chassis electronics for Chinese OEMs. Represents the type of emerging low-cost Chinese competitor that could pressure Asentec's pricing in Asian markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ASENSTEC INC.