
YZCONN — 22+ Years of Expertise in Custom Wire Harness & Connector Solutions
Trusted by Global Fortune 500 Companies and OEM for Well-Known Brands
Since 2004, YZCONN has specialized in custom wire harness and cable assemblies, offering high-reliability, zero-defect solutions. Serving diverse industry sectors,we provide precision-engineered systems that ensure optimal electrical performance, durability, and seamless integration for global brands.
Hot Products
Tailored Wire Harness Assemblies for Seamless Integration & Peak Performance
A wire harness (cable assembly) is a structured integration of cables, connectors, and protective components that efficiently transmits power and signals within electrical and electronic systems. By consolidating multiple wires into a single organized unit, wire harnesses simplify installation, reduce errors, and enhance system reliability while protecting circuits from vibration, heat, and harsh environments. Acting as the central nervous system of modern equipment, high-quality wire harness solutions support stable performance across automotive, industrial automation, new energy, telecommunications, and consumer electronics—enabling smarter design, improved efficiency, and long-term operational safety in today’s precision-driven and highly connected industries.
What Do We Offer in Wire Harness Solutions?
At YZCONN, we focus on delivering fully customized wire harness and cable assembly solutions for a wide range of industrial applications. Our capabilities include IATF-certified automotive wiring harnesses, industrial harnesses, high-speed LVDS cables, RF cables, and flexible flat cables for advanced electronic systems.
With dedicated customization production lines, we support projects across automotive, industrial automation, new energy, communications, and smart equipment. From standard harnesses to complex multi-branch assemblies, we ensure reliable performance, precise manufacturing, and seamless integration into your products.
Our disciplined multi-batch PCN management system provides clear change control, consistent quality, and stable long-term supply—ensuring every project remains secure, traceable, and reliably supported throughout its lifecycle.
Why Choose Our Wire Harnesses?
As a leading Custom Wire Harness Manufacturer, we are trusted by Global Fortune 500 companies and Automotive Tier-1 suppliers.
IATF 16949 & Lab-Verified Quality
As a professional Cable Assembly Manufacturer, quality is our baseline. We are IATF 16949:2016 certified and operate an in-house laboratory. From X-Ray crimp inspection to Salt Spray testing, every Custom Wire Harness undergoes strict validation to ensure 0 PPM defects for your assembly line.
Cost-Saving OEM Solutions
We go beyond manufacturing. Our engineering team excels at Wire Harness Customization, identifying reliable alternative connectors and optimizing layouts. This OEM Cable Assembly service can reduce your BOM cost by 20%-30% and shorten lead times without compromising performance.
Strict PCN & Supply Stability
Supply stability is critical for a Wire Harness Supplier. We adhere to a rigorous PCN (Product Change Notification) process—no material changes are made without approval. We ensure full traceability for every Industrial and Automotive Wire Harness, mitigating compliance risks for our global partners.

Application Scenarios
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Key Features of Our Wire Harnesses
Advanced Customization for Complex Wire Harness Projects
YZCONN specializes in custom wire harness solutions for complex industrial and electronic applications. With over 20 years of experience, our engineering team offers precise design supportWhether your project involves multi-branch harnesses, high-density connectors, or specialized materials, our team delivers reliable and technically optimized solutions tailored to your exact requirements.
Rapid Prototyping & Fast Sample Matching
We understand the importance of speed in product development. YZCONN offers fast and efficient sample matching and prototyping services based on customer drawings, specifications, or application needs. Our dedicated sample production process ensures quick turnaround times without compromising quality, helping customers accelerate product validation, shorten development cycles, and bring projects to market faster.
Certified Quality Systems & Strict PCN Management
YZCONN follows IATF 16949 and ISO 9001 quality management systems, ensuring standardized and reliable manufacturing. Our rigorous Product Change Notification (PCN) system guarantees transparency and traceability throughout the project, from design to delivery, ensuring consistent quality and process stability.
100% Inspection & Certified Raw Materials
Quality is our top priority. All YZCONN wire harness products undergo 100% factory inspection to ensure stable and consistent performance. Raw materials comply with CE and UL certification standards, and every harness is subjected to comprehensive testing before shipment—including electrical testing (continuity, insulation, and high-voltage testing), visual inspection, and crimp pull-force testing.Only zero-defect products are delivered, ensuring maximum reliability and long-term performance.
Our Manufacturing & R&D Capabilities
Leveraging two decades of expertise, we specialize in delivering innovative wire harness solutions tailored to your specific needs. Our advanced manufacturing processes and commitment to quality ensure that every product is built to perform reliably, no matter the application
Automated Production Capacity
We operate fully automated production lines equipped with Komax and Schleuniger machines for cutting, stripping, and crimping. This automation ensures consistent quality and enables a daily output of over 500,000 loops, guaranteeing on-time delivery for high-volume orders.
Strong R&D & Engineering
With a team of 30+ experienced engineers and multiple utility patents, we offer full DFM (Design for Manufacturability) support. From connector selection to routing optimization, we help you reduce costs and solve complex engineering challenges before mass production.
Advanced In-House Laboratory
Quality is verified, not assumed. Our CNAS-standard laboratory conducts comprehensive tests including X-Ray Crimp Inspection, Salt Spray, and Pull Force testing. We strictly follow IPC/WHMA-A-620 workmanship standards to ensure zero defects.
Agile Supply Chain Management
We maintain strategic partnerships with global connector brands (TE, Molex, JST) and keep stock of common materials. This allows us to provide rapid prototyping in 3-5 days and shorten standard lead times to 2-3 weeks, keeping your projects on track.

Contact Us
Ready to enhance your systems with custom wire harnesses? Our team is here to support you from design to production. Whether you need a prototype or full-scale manufacturing, we are committed to providing reliable, efficient, and cost-effective solutions.
FAQs
A: YZCONN operates under internationally recognized quality management systems and is certified to ISO 9001 and IATF 16949, ensuring consistent product quality and compliance with global automotive and industrial standards.
A: We maintain strict material control and quality assurance processes. All raw materials used in our products comply with CE, UL, RoHS, and REACH standards, ensuring safety, reliability, and long-term performance.
A: Yes. With 30+ experienced engineers, we offer R&D-driven customization and function development to meet your specific application needs.
A: Every wire harness undergoes rigorous computerized testing to ensure it meets industry standards and customer specifications. Our testing process checks for electrical performance, durability, and environmental resistance, ensuring the harness's reliability.
A: Each project is supported by a dedicated sales representative and engineering team providing one-on-one service. We utilize an advanced ERP system for project tracking, coordination, and execution, ensuring efficient communication and smooth project progress.
A: Yes. YZCONN operates an advanced ERP-based warehouse management system with diverse inventory support and strict FIFO (First-In, First-Out) control. We can also provide consignment and inventory management services to support stable and flexible supply for our customers.
A:YZCONN provides customized wire harness solutions for various industries, including:
Automotive: Engine systems and in-vehicle electronics
Industrial Machinery: Robotics and automation equipment
Telecommunications: Communication devices and network infrastructure
Medical Technology: Medical equipment and diagnostic tools
Low-altitude & UAV Systems: Drone wiring solutions
Solar & New Energy: Photovoltaic systems and energy storage
A: We have extensive experience working with globally recognized connector brands and standards. Our most frequently customized wire harnesses are compatible with connectors from Molex, JST, Amphenol, and other mainstream series such as XH, PH, GH, VH, EH, and more.
A: Yes, our engineering team provides: Design for manufacturability (DFM) analysis Alternative component suggestions for cost savings Standardization recommendations to reduce inventory Value engineering to maintain performance while reducing costs 3D modeling and technical drawings support
A: We adhere to the IPC/WHMA-A-620 standard and maintain a strict quality control system. Every wire harness undergoes 100% electrical testing, visual inspection, and crimp pull-force testing. Our in-house lab performs reliability tests, including X-ray, salt spray, and environmental testing. Pre-shipment inspections follow AQL standards, and full material certifications ensure compliance and traceability, guaranteeing consistent quality and zero-defect performance.
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Contact Info
If you have any questions or requirements regarding our wire harness solutions, please feel free to contact our customer service team.


