ABOUT UNITHERM GROUP

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Pune, Bangalore, Bhiwadi, Chennai

Unitherm Engineers Limited

Carburizing, Carbonitriding, Gas Nitriding, gas nitrocarburizing & sub zero

One of India's leading providers of commercial atmospheric heat treatment services, Unitherm Engineers Limited addresses the needs of both automotive and non-automotive component sectors.
Our cutting-edge plants in Pune (Maharashtra), Bengaluru (Karnataka), Bhiwadi (Rajasthan) and Chennai (Tamil Nadu) are strategically located close to India’s prominent Auto OEMs and auto components manufacturer clusters.
We provide a wide range of services such as carburizing, carbo-nitriding, hardening and tempering, and gas-nitriding heat treatment processes.
We are committed to providing excellence with a team of 200+ metallurgists in our workforce.
For more information, please visit www.unithermfurnaces.com
Indo-German Vacu Treat Private Limited
a 50-50 joint venture between Unitherm and Systherms, Germany
Emerging as a frontrunner in India's commercial vacuum heat treatment sector, Indo-German Vacu Treat Pvt. Ltd. is currently the third-largest vacuum heat treatment services provider in India.
The company is a joint venture between Systherms (Germany) and Unitherm Engineers Limited (India), with three plants strategically located near tooling and component manufacturers' automotive hubs in Pune (Maharashtra), Bengaluru (Karnataka), and Chennai.
Indo-German Vacu Treat Pvt. Ltd. specializes in delivering cutting-edge vacuum hardening and plasma nitriding services which primarily cater to the domestic tool and die manufacturing sector. Its diverse services include vacuum brazing, solution annealing, ageing, and plasma nitriding services for a wide range of industries such as aerospace, defense, medical equipment, food processing, and consumer goods.
With a robust workforce of over 70 professionals, the company upholds its commitment to excellence and innovation.
For more information, please visit www.igvtvacutreat.com
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Pune, Bangalore, Chennai
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Pune
Aichelin Unitherm Heat Treatment Systems India Private Limited
a 50-50 joint venture between Unitherm and Aichelin, Austria.
Aichelin Unitherm Heat Treatment Systems India Pvt. Ltd. is India’s leading heat treatment furnace manufacturer and a technological leader in producing components for thermal and thermochemical heat treatment of metallic parts, with over 500 furnace installations for leading OEMs and tier-1 automotive companies in India and Europe.
Based in Talegaon, Pune (Maharashtra), this joint venture between Aichelin Group (Austria) and Unitherm Engineers Ltd (India) also provides systems for cleaning parts, protective gas generators, and automation systems, with an unparalleled focus on post-sales services.
Equipped with the latest energy and consumption-optimized solutions, Aichelin Unitherm Heat Treatment Systems India Pvt. Ltd. provides end-to-end services for gas and electrically heated furnaces—such as sealed quench furnaces, pusher-type furnaces, mesh belt furnaces, ring hearths, rotary hearths, and roller hearth furnaces—from construction and manufacturing to comprehensive services.
For more information, please visit www.au-india.com
Unitherm Nova Coating
Unitherm Nova Coating (UNC) is a pioneering joint venture between Unitherm Engineers Limited, India’s leading expert in commercial atmospheric heat treatment, and Nova Coating, Germany’s specialist in advanced surface coating technologies. This collaboration unites decades of expertise to deliver cutting-edge PVD coatings that enhance the performance, durability, and efficiency of tools and components across industries.
By combining advanced heat treatment and surface engineering, we provide high-performance coating solutions tailored to the unique needs of sectors such as automotive, aerospace, and manufacturing. Our coatings improve wear resistance, reduce friction, and optimize operational efficiency, helping businesses achieve superior productivity and cost savings.
At UNC, we are committed to innovation, precision, and quality, ensuring each coating meets the highest industry standards. With a focus on timely delivery and customized solutions, we work closely with our clients to enhance the reliability and longevity of their tools and components.
Partner with Unitherm Nova Coating for next-level industrial performance with state-of-the-art PVD coatings designed for excellence.
For more information, please visit unc-india.com
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Pune
Current Plant locations
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Pune
  • Unitherm Engineers Limited, Chakan
  • Indo German Vacu Treat Pvt Ltd, Chakan
  • Aichelin Unitherm India Pvt Ltd, Talegaon
  • Unitherm Nova Coating, Bhosari
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Bangalore
  • Unitherm Engineers Limited, Bommasandra
  • Indo German Vacu Treat Pvt Ltd, Bommasandra
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Bhiwadi
  • Unitherm Engineers Limited, Bhiwadi
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Chennai
  • Unitherm Engineers Limited, Vallam
  • Indo German Vacu Treat Pvt Ltd, Vallam