INZI Controls Co., Ltd., established in 1978 and headquartered in Siheung, South Korea, is a prominent global manufacturer and OEM supplier specializing in automotive thermal management and electrified mobility solutions. The company operates a robust international manufacturing network with 11 factories across six countries, including South Korea, China, the United States, India, Hungary, and Malaysia. With a workforce of over 1,000 employees and a dedicated R&D team, INZI Controls has evolved from a leader in engine cooling systems—holding over 85% market share in Korea—to a pioneer in electric vehicle (EV) components.
Their comprehensive product portfolio is categorized into four core areas: Automotive Thermal Management Solutions (TMS), Electrified Mobility Battery Solutions (xEV), Lightweight Engineering Plastic (EP) solutions, and specialized Sensors, Valves, and Actuators. Key products include electric thermostats, coolant control valves, battery cases, busbar modules, and integrated thermal management modules. The company is also a specialist in lightweight engineering plastic parts such as cylinder head covers and air intake manifolds, designed to enhance vehicle efficiency.
As a trusted Tier-1 supplier, INZI Controls maintains strategic partnerships and supply chains with major global automotive manufacturers, including Hyundai, Kia, GM, VW, and Audi. The company is publicly traded and continues to expand its global footprint through technical alliances and a focus on next-generation technologies like immersion cooling battery modules and high-voltage coolant heaters, supporting the global transition toward sustainable mobility.
OEM manufacturerOffers OEM services for customized brand manufacturing.
High capacity factoryCan handle large-scale or bulk production orders.
High-tech enterpriseRecognized as a high-tech or innovative enterprise.
Established brandFounded in 1978, with over 20 years of industry experience.
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Customers
INZI CONTROLS
3,407 shipments
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Key export market
🇮🇳 India🇮🇳 India
🇺🇸 United States🇺🇸 United States
🇲🇽 Mexico🇲🇽 Mexico
🇧🇷 Brazil🇧🇷 Brazil
🇷🇺 Russia🇷🇺 Russia
🇺🇿 Uzbekistan🇺🇿 Uzbekistan
🇵🇰 Pakistan🇵🇰 Pakistan
🇨🇳 China🇨🇳 China
🇨🇦 Canada🇨🇦 Canada
🇲🇾 Malaysia🇲🇾 Malaysia
🇭🇺 Hungary🇭🇺 Hungary
🇩🇪 Germany🇩🇪 Germany
🇯🇵 Japan🇯🇵 Japan
North AmericaNorth America
AsiaAsia
EuropeEurope
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Customers
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