EV Suppliers

Tempel India (Worthington Steel Co.) operates a 19,000 m² advanced lamination plant in Chennai. The facility spans 11 acres and offers full-spectrum services – from electrical steel slitting and high-speed progressive stamping, to annealing, bonding, core stacking and rotor die-casting. Tempel India produces precision stator and rotor laminations for EV traction motors, industrial generators, white goods, wind turbines, and more. Backed by IATF 16949 and ISO 9001/14001 certifications, Tempel delivers ready-to-use motor cores (e.g. assembled stators with shaft insertion) at global quality standards. Leveraging Tempel’s global engineering and material expertise, the Indian team provides local customers world-class lamination solutions with on-time delivery and technical support.

Kalburgi Stamping specializes in automotive and EV motor stampings with rapid development cycles. Established in 2014, Kalburgi quickly earned customer trust through on-time supply of high-quality stators and rotors. Its IATF 16949:2016 certified plant in Satara features 26 high-speed presses and 22 hydraulic presses, capable of stamping steels 0.20–1.2 mm thick up to 400 mm diameter. The company’s core competencies include built-in skewing/indexing in tools, auto-stitching and riveting for stacks, and in-house annealing – yielding first-pass approval of samples without deviations. Backed by smart innovation and a customer-focused ethos, Kalburgi has become a preferred supplier for electric 2-wheeler and alternator manufacturers, known for shorter lead times and “first-time-right” tooling.

Libra Stampings LLP (est. 2017) manufactures a wide range of sheet-metal products, with core expertise in electrical motor stampings, stator stacks and die-cast rotors. Formed by acquiring a 20-year-old stamping business (Libra Components), Libra operates a modern plant in Sanand, Gujarat. The ISO 9001:2015 and IATF 16949 certified company serves automotive, appliance and industrial clients by supplying easy-to-assemble laminations that meet rigorous quality standards. Libra’s state-of-the-art presses and experienced team enable it to deliver high-volume stampings with consistent precision, while also catering to custom requirements as per client design. Guided by its founders’ decades of experience, Libra Stampings has built a strong reputation for quality, reliability and ethical business practices in the electrical lamination industry.

Srujana Enterprises is an IATF 16949:2016 certified high-speed metal stamping company based in Bangalore. Founded in 1994, Srujana has evolved from a precision press shop to a leader in design and manufacture of complex progressive stampings and sub-assemblies. The company supports diverse sectors – automotive, EV, electrical & electronics – with capabilities including in-house tool & die engineering, prototyping, laser welding and assembly. With 25+ years of experience and state-of-the-art infrastructure, Srujana produces motor laminations, connector stampings, and other critical press parts with tight tolerances and consistent quality. Its customer-focused approach, robust processes and on-time delivery have made Srujana a trusted manufacturing partner for both domestic and international clients.

Silicon group – established in 1968 – is India’s oldest manufacturer of stator & rotor laminations. With decades of metallurgical and tooling expertise, Silicon Cortech (a unit of Silicon Manufacturing Co.) produces a full range of precision laminations for electric motors and alternators. Its capabilities span from tiny pump motor stampings to large generator rotor stacks, all made to exacting tolerances using close-die stampings and laser-cut prototypes. The company’s manufacturing, based in the Mumbai region, is supported by a robust quality culture and has supplied many of India’s earliest electric machine projects. Silicon Cortech holds ISO 9001 certification and focuses on continual innovation – such as early adoption of automated stacking and interlocking techniques – to meet evolving efficiency standards. This legacy supplier remains a go-to source for reliable laminations among long-standing industry players.