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About the Information Platform

Contents

Daily News Worldwide
- News Top
Market & Tech Reports
Automotive Sales
Import and Export volumes
Automotive Production
Forecast Reports
Model Launch Schedules
- By OEM / Market
- Models/Refined search
Electric/Autonomous
SDV/Vehicle SW Vendor
Who Supplies Whom
Supplier Search
OEM Plants / Suppliers
Product & Service PR
Global Exhibition
- Global Exhibition Top
- Reporting Schedule
Personnel Changes
Regulations

Service

Market Forecast Reports
- Forecast Reports
Fee-based Teardown Reports
Benchmarking/Teardown
Promotion
- Advertising & Promotion
- Request Media Kit

Inzi Controls Co., Ltd.

Company Profile

■URL

https://inzi.co.kr/en/index.asp

■Address

171, Gunjacheon-ro, Siheung-si, Gyeonggi-do, Korea

Business Overview

-The Company mainly supplies cooling system components, engine management system components, sensors, switches, and engineered plastic components.

-In Korea, the Company has a more than 85 percent share of the engine cooling systems market, which includes thermostats, coolant temperature sensors, and coolant temperature controllers.

-The Company has over 40% of the market share in Korea of engineering plastic parts such as cylinder-head covers, air-intake manifolds, valve-body covers and others.

Shareholders

(As of December 31, 2025)

Major Shareholders	Interest Ratio (%)
Jung, Goo Yong	20.35
You-Tech Solution	13.50

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Products

Thermal Management Solution
-Coolant Control Valves
-Coolant Solenoid Valves
-Electric Water Pump
-Battery Warm-up Heater
-Coolant Temperature sensors
-Thermal Control Module

Battery Solution
-Battery Module/Pack
-Busbar Module
-Battery Cooling Plate
-Battery Case
-Pack Lower Housing
-HV Busbar

Electronic/Control System
-Coolant Control Valve Actuator
-CCV Motor Controller / Hall Type
-CCV Motor Controller / Inductive Type
-Inductive Sensor Controller
-TMS Controller
-Solenoid Valve Controller
-BMS Controller
-BLDC Motor Controller

Engine Functional Parts
-Cylinder Head Cover
-Air Intake Manifold
-Valve Body Cover
-Air Cleaner
-Variable Nozzle Turbine Actuator / Wastegated Turbo Actuator
-Thermostat Housing Assembly
-Thermostat

View latest major parts supplier agreements.
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History

Jan. 1978	The Company was established.
Dec. 1986	The Company completed production plant in Ulsan.
Aug. 1988	The Company completed production plant in Ansan.
Jul. 1989	The Company established its R&D Center.
Apr. 1992	The Company formed a technical alliance with Robert Bosch GmbH of Germany.
Aug. 1992	The Company started operations at the Gyeongju plant.
Aug. 1995	The Company started operations at the Shihwa headquarter plant.
Jun. 1997	The Company went public, listing on the Korea Stock Exchange.
Jan. 2001	The Company adopted a new company name, Inzi Controls Co., Ltd.
Jul. 2004	The Company started operations at the Okcheon plant
Jun. 2005	The Company established Tianjin Inzi Automotive Co., Ltd. in China.
Jun. 2005	The Company turned Snowcraft (M) Sdn, Bhd in Malaysia into its subsidiary company.
Apr. 2006	The Company turned Penta Daewha Auto Parts Ltd. in India (currently Inzi Controls India Ltd.) into its subsidiary company.
Sep. 2006	The Company changed the name of "Penta Daewha Auto Parts Ltd." in India to "Inzi Controls India Ltd."
Dec. 2009	The Company established Inzi Controls Alabama. Inc. in Alabama, U.S.A.
Mar. 2014	The Company established Inzi Controls Detroit, LLC in U.S.A.
Feb. 2018	The Company established INZI AUTO COMPONENTS AN PRIVATE LIMITED in India.
Nov. 2018	The Company established INZI CONTROLS HUNGARY LLC in Hungary.