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ISO9001:2015 Certified
IATF16949: Compliant

Custom Medical Cable Assemblies & Wire Harness Solutions

At Xiamen LEX Electronics, we provide comprehensive manufacturing services for custom Medical Cable Assemblies. As an ISO 13485:2016 certified partner, we understand that reliability in medical wiring is not just a requirement—it’s a life-saving necessity. We bridge the gap between complex engineering requirements and cost-effective mass production.

Get A Custom Wiring Harnesses Today!

Our Clients

Wiring Harnesses Assembly Services

From initial concept to precision manufacturing, LEX provides custom-engineered interconnect solutions tailored to your unique specifications. Operating under rigorous IATF 16949 and ISO 13485 standards, our National High-Tech facility ensures uncompromising quality through every stage of our development process.

Consultation and Requirements Review

Our partnership begins with a deep dive into your technical specifications and application environment.

  • Comprehensive Needs Analysis: We evaluate electrical performance, mechanical constraints, and specialized medical requirements such as sterilization compatibility.

  • Compliance Alignment: Our experts ensure all designs align with ISO 13485 standards and global regulatory requirements like UL and CSA.

  • Cost-Benefit Optimization: We collaborate to identify the most cost-effective materials and configurations without compromising safety or performance.

We transform conceptual requirements into tangible, testable solutions tailored to your unique connection needs.

  • Expert Engineering: Our R&D team designs custom wire harness architectures optimized for durability and high-fidelity signal transmission.

  • Rapid Prototyping: We provide functional samples to verify fit, form, and function within your medical device assembly.

  • Iterative Refinement: Based on prototype feedback, we fine-tune designs to ensure seamless integration and long-term reliability.

Utilizing state-of-the-art automation at our 5,000+ sqm manufacturing base, we execute complex assemblies with zero-defect accuracy.

  • Automated Processing: We employ integrated machines for automatic crimping and膠壳 (housing) assembly to eliminate manual inconsistency. 

  • Specialized Bonding: Advanced automated UV glue dispensing and curing systems are used for hermetic sealing and reinforced strain relief.

  • Advanced Welding Techniques: Ultrasonic welding ensures high-strength, low-resistance connections critical for sensitive medical electronics.

Safety is non-negotiable; every medical harness undergoes a multi-stage validation protocol before shipment.

  • Automated Electrical Testing: 100% of units are verified through multi-functional testers for continuity, resistance, and insulation integrity.
  • Microscopic Visual Inspection: We utilize CCD electronic magnification to inspect miniature components and delicate connections for any physical flaws.

  • Structural Reliability Analysis: Regular terminal cross-section analysis ensures that every crimp meets optimal mechanical and electrical standards.

Our commitment to your project continues long after the initial production run is complete.

  • Global Logistics: Leveraging our dual-base manufacturing in China and our sales office in Texas, USA, we provide reliable global shipping and supply chain stability.

  • Lifecycle Management: We offer continuous technical support and are ready to scale production as your market demand grows.

  • Continuous Improvement: We maintain open feedback loops to optimize manufacturing processes and reduce costs for future production batches.

Products

We integrate Molex’s industry-leading connector technology into every custom cable solution.

Multi-Branch Wire Harnesses

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Multi-Branch Wire Harnesses

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Multi-Branch Wire Harnesses

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Multi-Branch Wire Harnesses

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Multi-Branch Wire Harnesses

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Multi-Branch Wire Harnesses

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Connector Options

Selects the right connector based on your performance requirements and environmental conditions.

Mini-Fit Jr.™ Connectors

Supporting a high-current capacity of up to 13A per circuit with a secure TPA locking mechanism. These are the preferred choice for reliable power distribution in vibration-heavy environments, such as automotive systems, industrial machinery, and high-power medical equipment.

KK™ Series Connectors

A cost-effective wire-to-board solution with a standard pitch. Frequently utilized in auxiliary control boards for consumer electronics, household appliances, and diverse industrial control modules.

Micro-Fit 3.0™ Connectors

Featuring a compact 3.0mm pitch to solve space-constraint challenges. Their polarized, foolproof design eliminates the risk of mis-mating in high-density control systems, robotics, and telecommunications infrastructure.

MX150™ Sealed Connectors

Engineered with an IP67 rating to provide a complete seal against moisture ingress and dust contamination. Essential for marine electronics, automotive engine compartments, and outdoor industrial equipment requiring exposure to harsh fluids and weather.

FCT D-sub Connectors

Providing high-durability, interference-resistant connectivity for complex user interfaces, laboratory equipment, and aerospace communication systems.

Nano-Fit™ Connectors

Delivering robust electrical performance in an ultra-compact 2.50mm pitch. These are ideal for Internet of Things (IoT) sensors, wearable technology, and compact electronics where every millimeter of PCB space is critical.

SL™ Modular Connectors

Utilizing advanced shielding and locking technology to maintain superior signal integrity in high-speed data applications. They serve as the backbone for data centers, industrial automation networks, and smart infrastructure.

Industry Applications

Our high-performance cable assemblies are engineered to meet the stringent demands of global healthcare leaders. Leveraging our ISO 13485 certified manufacturing processes, we provide reliable connectivity across these specialized medical sectors:

Advanced Diagnostic Imaging & Radiology

In precision imaging, signal integrity is paramount to ensuring accurate diagnostic results. We provide high-shielding cable assemblies designed to withstand the electromagnetic challenges of modern radiology. • Target Devices: MRI systems, CT scanners, and high-resolution X-ray equipment. • Technical Focus: Integration of advanced EMI shielding and high-fidelity signal conductors to prevent data interference. • Reliability Advantage: Every assembly undergoes terminal cross-section analysis to guarantee the structural integrity required for heavy-duty imaging machinery.

Critical Patient Monitoring & Life Support

Monitoring devices require flexible and highly reliable interconnects for 24/7 patient safety. Our medical-grade harnesses are engineered for long-term stability in demanding clinical settings. • Target Devices: Bedside patient monitors, ventilators, and ECG/pulse oximeters. • Technical Focus: Utilization of Micro-Fit 3.0™ and Nano-Fit™ connectors for compact, foolproof connectivity in dense electronic architectures. • Quality Standard: Manufactured in our ISO 13485:2016 certified facility with 100% electrical functional testing to ensure zero-defect performance.

Surgical Robotics & Precision Instruments

The next generation of surgery demands high-flexibility cables that can endure constant motion and repeated sterilization cycles. We develop bespoke solutions for complex medical robotics interfaces. • Target Devices: Robotic surgical arms, electrosurgical units (ESU), and precision endoscopic tools. • Technical Focus: Advanced ultrasonic welding and automated UV glue dispensing for hermetic sealing and superior strain relief. • Micro-Precision: We utilize CCD electronic magnification during assembly to ensure perfect alignment and integrity of micro-connectors used in miniature surgical instruments.

Why Choose LEX?

Empowering global industry leaders with custom-engineered connectivity solutions, anchored by uncompromising quality and rigorous international standards.

Certified Quality Excellence

Our manufacturing facility is governed by a rigorous IATF 16949:2016 and ISO 13485:2016 certified quality system. We maintain strict adherence to international safety standards, including UL and CSA certifications, ensuring every interconnect component is compliant with the demanding requirements of automotive, medical, and industrial environments.

Advanced Technical Precision

We leverage high-end automation, including ultrasonic welding and automated UV glue dispensing, to guarantee superior bond strength and hermetic sealing for harsh environments. Every assembly is validated through terminal cross-section analysis and CCD electronic magnification to ensure zero-defect performance across all critical applications.

Strategic Global Support

With 5,000+ square meters of manufacturing space across our Xiamen and Zhangzhou bases, we offer the scalability to handle large-volume global contracts for industry leaders. Our dedicated sales office in Texas, USA, provides localized project management and seamless communication for our North American partners, ensuring real-time technical support.

Design-to-Cost Innovation

As a National High-Tech enterprise, our engineering team specializes in developing high-performance, cost-effective wire harness solutions tailored to your unique requirements. From rapid prototyping to mass production, we collaborate with your R&D department to provide DFM (Design for Manufacturing) optimization that maximizes your competitive edge in the global market.

Quality and Safety, Guaranteed

Our IATF 16949 & ISO 13485 certified, National High-Tech facility builds UL/CSA-recognized and RoHS-compliant interconnect solutions for global industry leaders.

What Our Customers Are Saying

From rapid prototyping to large-scale production, we’ve built lasting partnerships based on manufacturing excellence and transparent communication. Here is what our global partners across diverse industries have to say about their experience working with us.

Robert Anderson
Robert Anderson
Lead R&D Scientist | High-Performance Electronics
"The technical precision LEX brings to the table is exceptional. Whether it’s achieving hermetic sealing with advanced UV dispensing or ensuring signal integrity in high-vibration environments, their solutions consistently outperform our expectations. They don't just build harnesses; they engineer connectivity that thrives in the harshest conditions."
Michael Chen
Michael Chen
Director of Engineering | Industrial Automation Solutions
"Their engineering team provided invaluable support when we faced complex integration challenges in our latest system rollout. By optimizing our design for better manufacturability and durability, they significantly improved our product's long-term reliability. Plus, having their responsive sales office in Texas, USA, makes the entire global coordination process seamless."
Sarah Thompson
Sarah Thompson
Quality Assurance Manager | Precision Medical Systems
"Finding a partner that understands the rigors of ISO 13485 and IATF 16949 is rare. LEX's commitment to zero-defect manufacturing and full material traceability has made them an essential part of our supply chain. Every assembly we receive reflects the high-precision standards we demand for our most critical applications."
David Miller
David Miller
Senior Procurement Lead | New Energy & EV Infrastructure
"LEX’s scalability is impressive. With over 5,000 square meters of advanced manufacturing space, they’ve handled our large-volume global contracts with zero delays. Their ability to maintain such high-end quality—utilizing ultrasonic welding and automated testing—while meeting our aggressive production timelines is a major competitive edge for us."

Frequently Asked Questions

1. What are the key technical requirements for high-quality marine wire harnesses?

The primary requirements for marine-grade wiring are corrosion resistance and environmental sealing. Unlike standard automotive wiring, marine harnesses must feature tinned copper conductors to prevent oxidation in salt air. Furthermore, they require high-performance insulation (such as Cross-linked Polyethylene or specialized PVC) that resists oil, fuel, and UV exposure. LEX ensures these requirements are met by utilizing UL/CSA certified components and rigorous IP67/IP68 testing, providing a robust interconnect solution that maintains 100% signal integrity in the most demanding offshore conditions.

We combat the corrosive effects of marine environments through a multi-layered protection strategy. First, we use only high-grade anti-corrosion terminals and connectors designed for maritime use. Second, our manufacturing process, governed by IATF 16949 standards, includes specialized sealing techniques such as heat-shrink tubing with adhesive linings and overmolding. This creates a water-tight barrier that prevents moisture ingress. Finally, our products undergo extensive salt spray testing to ensure they exceed industry longevity expectations for luxury yachts and commercial vessels.

While many marine suppliers operate under basic standards, LEX leverages our IATF 16949 (Automotive) and ISO 13485 (Medical) certifications to bring a “zero-defect” manufacturing mindset to the marine industry. These certifications demand total material traceability, rigorous process control, and advanced testing protocols. For our global partners, this means every marine wire harness is built with the same precision and reliability required for life-critical medical devices and high-performance vehicles, significantly reducing the risk of mid-sea electrical failures.

Yes, LEX offers comprehensive Design for Manufacturing (DFM) consultation for complex marine projects. Our engineering team works closely with clients to optimize harness routing, select the most cost-effective waterproof connectors, and ensure the design facilitates easy installation within the cramped confines of a vessel’s hull. By identifying potential failure points early in the prototyping phase, we help manufacturers reduce production costs and improve the long-term serviceability of onboard navigation, propulsion, and entertainment systems.

LEX achieves a superior performance-to-price ratio by combining state-level high-tech manufacturing with strategic supply chain management in Xiamen. Our 5,000㎡ facility is equipped with advanced automated crimping and ultrasonic welding technology, which increases production efficiency and reduces manual error. By maintaining long-term partnerships with top-tier component brands and operating our own specialized production lines, we deliver marine-grade interconnect solutions that meet elite global standards at highly competitive price points, supported by our sales office in Texas, USA.