Top Wire Harness Supplier | Custom HV, Medical & EV Solutions

Nangudi, a leading wire harness supplier, has been at the forefront of custom interconnect solutions for over two decades. Our journey began in 2006 with a clear vision: to provide world-class wire harnesses that enable technological advancement across industries. Today, we operate two state-of-the-art facilities in Humen, Dongguan, covering 12,000 m², equipped with advanced automatic cutting, crimping, and molding machines. Our production capacity exceeds 2 million harness assemblies per month, ensuring we meet the most demanding delivery schedules.
Our expertise spans a wide range of applications, from medical devices requiring miniature, high-density wiring to automotive systems demanding vibration-resistant and temperature-tolerant harnesses. We are one of the few suppliers globally to hold ISO9001, ISO13485, IATF16949, and UL certifications simultaneously, allowing us to serve regulated industries with confidence. Our 35-member R&D team, with an average of 15 years of experience, collaborates closely with clients to co-design harnesses that optimize performance and manufacturability. We utilize 3D simulation and prototyping to validate designs before mass production, reducing development time by up to 30%.
In the medical sector, our ISO13485-compliant cleanroom ensures that harnesses meet stringent biocompatibility and sterilization requirements. We have supplied components for patient monitors, surgical instruments, and diagnostic imaging systems. In the automotive industry, our IATF16949 certification and experience with high-voltage EV architectures make us a preferred partner for battery packs and charging systems. Our solar harnesses, built to UL standards, are designed to withstand harsh outdoor conditions for 25+ years, giving our customers peace of mind. We also serve industrial automation, robotics, and aerospace sectors, providing robust interconnect solutions that keep operations running efficiently.
Quality is the cornerstone of our operations. Our quality control team, comprising 45 dedicated professionals, implements statistical process control (SPC) and 100% inspection during critical processes. Our test labs are equipped with high-voltage testers, insulation resistance meters, and environmental chambers to simulate extreme conditions. Every batch undergoes rigorous testing, including pull-out force tests, continuity checks, and thermal cycling. Our commitment to quality is reflected in our 98% average first-pass yield and a 0.5% field failure rate, which is among the lowest in the industry.
As a global partner, we emphasize sustainability and corporate responsibility. Our manufacturing processes adhere to RoHS and REACH directives, and we employ energy-efficient machinery to minimize our carbon footprint. We also invest in employee training and welfare, ensuring a skilled and motivated workforce. Our Hong Kong subsidiary handles international trade and logistics, enabling seamless global shipping and after-sales support.
Testimonials from clients in over 30 countries attest to our reliability and responsiveness. For instance, a German industrial automation company praised our ability to deliver complex harnesses with zero defects, enabling them to achieve a 99.9% uptime in their systems. A Japanese medical device manufacturer highlighted our rapid prototyping capabilities, which shortened their product development cycle by 50%. These success stories affirm our position as a trusted wire harness supplier that adds tangible value to our customers' products.
Whether you are developing a new energy vehicle, a smart medical device, or a solar power installation, Nangudi offers the engineering expertise, manufacturing capabilities, and quality assurance you need. Let us be your strategic partner in bringing reliable and efficient wire harness solutions to the global market.