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Home / China Cable Assembly Supplier — Custom OEM Cable Manufacturing

China Cable Assembly Supplier — Custom OEM Cable Manufacturing

Nexharn Connectivity is a trusted China cable assembly supplier providing custom cable and wire harness assemblies to B2B buyers worldwide. ISO 9001 certified, 100% electrical testing, RoHS and REACH compliant.

Nexharn Connectivity is a leading china cable assembly supplier providing custom cable and wire harness assemblies to B2B buyers in North America, Europe, and Asia-Pacific. Based in Dongguan, Guangdong — the center of China’s electronics manufacturing ecosystem — we combine advanced production capabilities with ISO-aligned quality systems to deliver cable assemblies that meet your specifications, your timeline, and your quality requirements.

Why Source Cable Assemblies from China

China accounts for the majority of the world’s cable assembly production for good reasons: a mature supply chain for conductors, connectors, and materials; highly skilled manufacturing labor; competitive tooling and NRE costs; and a logistics infrastructure capable of reliably shipping to any destination worldwide. For B2B buyers focused on total cost of ownership, China-based cable assembly sourcing consistently delivers the lowest landed cost per unit at production volumes — typically 30–60% lower than equivalent assemblies sourced in North America or Western Europe.

The critical challenge is identifying the right partner among thousands of suppliers. Not all china cable assembly suppliers operate to the same quality standards, transparency levels, or regulatory compliance capabilities. The information below outlines what sets Nexharn apart and what to look for when evaluating any China cable assembly manufacturer.

Nexharn’s Cable Assembly Capabilities

Our Dongguan facility is equipped for the full spectrum of cable and wire harness assembly production:

  • Custom cable assemblies — Single-conductor through 50+ conductor configurations; data, power, signal, and combination cable types; coaxial, twisted pair, shielded, and unshielded constructions.
  • Wire harness assemblies — Automotive, industrial, medical, and consumer electronics wire harnesses; loomed and braided designs; connector crimping, soldering, and IDC termination.
  • Overmolded connectors — Injection-molded strain relief boots, connector backshells, and sealed connector assemblies in PVC, PU, TPE, and silicone.
  • Specialty cables — Medical-grade cables, military-spec assemblies, high-flex cables for robotics, and hybrid power/data cable assemblies.
  • Value-added services — Electrical testing (continuity, hi-pot, TDR), labeling, RFID tagging, kitting and packaging, and custom reel configurations.

Quality Assurance and Certifications

Quality is the primary risk when working with China cable assembly suppliers. Nexharn addresses this with a multi-layer quality management approach:

  • ISO 9001 certified QMS — Our quality management system is certified to ISO 9001:2015, providing the procedural framework for consistent production quality, corrective actions, and continual improvement.
  • 100% electrical testing — Every assembled cable undergoes complete continuity testing, insulation resistance measurement, and high-potential (hi-pot) dielectric withstand testing before shipment. No sampling; 100% testing.
  • Calibrated test equipment — All measurement and test equipment is calibrated on schedule with traceable records. Calibration certificates are available for customer review during audits.
  • In-process inspection — Crimp force monitoring, conductor pull-out force testing, visual inspection under magnification, and dimensional verification are performed at each production stage.
  • Pre-shipment inspection — Final inspection includes a complete dimensional check against approved drawings, packaging verification, and quantity count prior to release for shipment.

Compliance and Documentation

Buyers sourcing from china cable assembly suppliers require documented compliance to export and import market regulations. Nexharn routinely provides:

  • RoHS 2 compliance declarations — Written declarations confirming compliance with EU RoHS 2 Directive (2011/65/EU) restrictions on hazardous substances including lead, mercury, cadmium, hexavalent chromium, and restricted phthalates.
  • REACH SVHC declarations — Bill-of-materials screening against the current SVHC candidate list, with written declarations issued per shipment or per part number.
  • Material certifications — Conductor, insulation, and connector material certifications from qualified upstream suppliers.
  • Country of Origin documentation — Certificate of Origin, commercial invoices, and packing lists formatted for customs clearance in target markets.
  • UL/CSA file compliance — Cable constructions built to UL AWM (Appliance Wiring Material) or CSA specifications where specified by customers.

Internal Links to Our Product Range

Browse our complete range of cable assembly products and services:

How to Work with Nexharn

Our standard process for new customer engagements is straightforward:

  1. Submit your RFQ — Send us your cable assembly drawings, specifications, target annual volume, and required delivery location via our contact form. The more detail you provide, the faster we can turn around an accurate quotation.
  2. Receive a detailed quote — We typically respond with a complete quotation within 3–5 business days, including unit pricing, tooling/NRE costs (if any), and lead time at your requested volume.
  3. Approve first article samples — Before full production, we produce and ship first article samples for your engineering and quality teams to verify against your drawings and functional requirements.
  4. Approve and release production — Upon sample approval, we schedule production at our facility and provide a confirmed delivery date. We send shipping notifications with tracking information and can arrange third-party inspection if required.

Ready to discuss your cable assembly sourcing requirements? Contact our team with your specifications and volume requirements today.

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