Injection Moulding
Precision injection moulding for tight-tolerance plastic components used in rugged equipment assemblies, with support for advanced polymers, insert moulding, overmoulding, and scalable multi-cavity production.
Jairaj Group manufactures heavy-duty plastic and advanced polymer components for construction equipment, earth movers, and heavy vehicle platforms. From precision moulding and tool development to testing, assembly, and value engineering, our team helps OEMs improve durability, reduce weight, simplify integration, and maintain consistent performance in demanding industrial operating conditions.

End-to-end polymer engineering, moulding, assembly, tooling, and validation for heavy-duty equipment component programs.
Precision injection moulding for tight-tolerance plastic components used in rugged equipment assemblies, with support for advanced polymers, insert moulding, overmoulding, and scalable multi-cavity production.
Large, hollow plastic parts manufactured through rotational moulding for tanks, covers, ducts, and protective structures requiring consistent wall thickness and impact-resistant performance.
Blow moulded hollow components for fluid reservoirs, ducts, bottles, and related heavy vehicle applications where strength, repeatability, and dependable sealing are essential.
Integrated plastic sub-assemblies using welding, joining, guided fixtures, and real-time quality checks for sensor modules, reservoirs, enclosures, clamps, and equipment cabin components.
In-house mould design and development supporting component manufacturability, repeatable production, dimensional accuracy, and faster transition from engineering concept to validated tooling.
Material research, DFM, prototyping, simulations, and validation to reduce weight, optimize cost, improve durability, and prepare parts for long-run industrial production.

We begin by understanding load conditions, fitment, operating environment, and OEM specifications, then identify suitable polymer grades for mechanical strength, thermal stability, chemical resistance, insulation, or impact performance.
Choose a polymer engineering partner built for demanding OEM production programs.
Four decades of plastic component manufacturing experience across automotive, heavy vehicle, and industrial sectors.
In-house tool room capabilities support faster development, better control, and production-ready mould performance.
ISO 9001:2015 certification and comprehensive testing help ensure dependable, documented component quality.
Multiple Indian manufacturing facilities support flexible capacity, OEM proximity, and reliable supply continuity.
Strategic leadership driving precision, innovation, and manufacturing excellence.

Chairman of Jairaj Group
Rajiv K Chawla serves as Chairman of Jairaj Group, leading the company's strategic vision and operational excellence since its founding in 1985. Under his leadership, Jairaj has grown from a single manufacturing unit in Faridabad to a nationwide network of six advanced facilities serving automotive, aerospace, medical device, and industrial customers globally. His commitment to engineering precision, process innovation, and customer partnership has positioned Jairaj Group as a trusted supplier to leading OEMs including Endurance Technologies, Gabriel India Limited, and Tenneco Automotive. With over four decades of industry experience, Rajiv has championed the adoption of state-of-the-art manufacturing technologies, in-house tool room capabilities, and comprehensive quality systems. His focus on sustainable growth, digital transformation, and continuous improvement has earned Jairaj Group numerous industry awards and recognition in Forbes India's DGEMS 2024 list. Rajiv continues to drive the company's expansion into emerging sectors including electric vehicles, drones, railways, and advanced industrial applications.
Jairaj Group can manufacture heavy-duty plastic components such as tanks, reservoirs, covers, housings, ducts, trims, clamps, sensor housings, caps, threaded closures, insulation parts, and protective assemblies. The exact component scope depends on performance requirements such as impact strength, chemical resistance, sealing, heat exposure, vibration, fitment, and production volume.
Share your drawing, sample, or performance requirement with our team.
Quality management certification for consistent manufacturing systems.
Featured in Forbes India’s DGEMS 2024 list.
Recognized by Industry Outlook Magazine in 2023.
Send your component drawing, sample, application details, or development challenge. Jairaj Group will review requirements and guide you toward the right material, tooling, manufacturing, and validation approach.
For immediate assistance, feel free to give us a direct call at +91-9711-010-172. You can also send us a quick email at japl@jairajgroup.com.
For immediate assistance, feel free to give us a direct call at +91-9711-010-172. You can also send us a quick email at japl@jairajgroup.com.