Top Wiring Harness Manufacturer | 20+ Years Custom Solutions

As a premier wiring harness manufacturer, Nangudi leverages nearly two decades of experience to deliver custom wire harness and cable assembly solutions for diverse global industries. Our production facilities in Humen, Dongguan, cover an area of 12,000 square meters, with 350+ dedicated professionals including 35 R&D engineers who have been with us for over six years. We hold ISO9001, ISO13485, IATF16949, and UL certifications, ensuring that every harness we produce meets international standards. We specialize in a wide range of products: from medical wire harnesses with PTFE insulation to high-voltage battery cable assemblies for electric vehicles (like SurLok Plus connectors) and solar PV harnesses with UL11267. Our manufacturing process begins with a thorough specification review, followed by prototyping, sampling, and series production. We invest in advanced machinery for wire stripping, crimping, and injection molding, all monitored by automated testing systems. Our quality control is rigorous: we perform 100% electrical tests, pull force tests, and environmental stress screening. We also comply with RoHS and REACH regulations. With a production capacity of 10,000 square meters dedicated to manufacturing, we can handle large volume orders while maintaining high flexibility for custom designs. For instance, we provide custom DC-DC converters with integrated harnesses for industrial battery systems. We serve clients in over 20 countries, including Germany, Japan, and the United States, offering just-in-time delivery and local technical support through our Hong Kong subsidiary. Our commitment to continuous improvement has led to more than 40 patents. When you choose Nangudi, you partner with a wiring harness manufacturer that prioritizes quality, innovation, and customer satisfaction. We would be delighted to discuss your requirements and provide a comprehensive solution.