Precision Wires India Limited

Precision Wires India Limited (PWIL), incorporated in 1989 and listed on both BSE and NSE, is South Asia's largest manufacturer of copper enamelled winding wires (magnet wires), supplying insulated conductors for electric motors, generators, transformers, automotive components, and increasingly for EV traction motors. With a state-of-the-art manufacturing complex in Silvassa, Dadra & Nagar Haveli — certified to IATF 16949:2016, ISO 9001:2015, and ISO 14001:2015 — PWIL produces enamelled round and rectangular copper winding wires, continuously transposed conductors (CTC), paper/mica/Nomex insulated conductors, and submersible winding wires in a comprehensive range of diameters and insulation grades. The company's automotive-certified magnet wire products are critical inputs for EV traction motors, where winding density, thermal performance, and insulation integrity directly determine motor efficiency and lifecycle reliability. PWIL exports to over 50 countries and serves leading electrical equipment manufacturers, automotive OEMs, and EV motor producers across India and globally. With annual revenues exceeding ₹2,500 crore, dedicated R&D, and a vertically integrated supply chain including copper rod drawing and enamelling, PWIL delivers consistent quality and supply security at scale. For EV motor manufacturers, automotive component companies, and global buyers sourcing IATF-certified, high-purity copper winding conductors from India, Precision Wires India Limited is the benchmark supplier of choice.