Custom Wire Harnesses

Plan custom wire harnesses by wire type, terminals, connectors, routing, labeling, testing, and application needs before moving to assembly.

  • No Minimum Order Quantity
  • Ships in as little as 7 days
  • ISO 9001、ISO 14001 and UL certified
Custom Production Services

WLconnectivity's Wire Harness Manufacturing Capabilities

From simple prototypes to complex multi-branch assemblies, WL Connectivity deliver professional Wire Harness Assembly Services with rapid turnaround.

M8/M12 Sensor Cable Assemblies

M8/M12 Sensor Cable Assemblies

Custom M8/M12 sensor cables for industrial sensors, proximity switches, photoelectric sensors, temperature probes and automation equipment.
Servo Motor Cable Assemblies

Servo Motor Cable Assemblies

Power, encoder and brake cable assemblies for servo motors, motion control systems, robotic joints and automated production equipment.
Industrial Ethernet Cables

Industrial Ethernet Cables

RJ45, M12 and M12-to-RJ45 cable assemblies for EtherCAT, PROFINET, industrial Ethernet, machine vision and data acquisition systems.
Mixed Connector Harnesses

Mixed Connector Harnesses

Custom assemblies with different connector types, including M8, M12, DP, RJ45, USB, aviation plugs, bare wire and terminal blocks.
Waterproof Molded Cable Assemblies

Waterproof Molded Cable Assemblies

Straight and right-angle molded cable assemblies with waterproof connector options for harsh, wet or outdoor industrial environments.
Electrical & Mechanical Testing

Electrical & Mechanical Testing

Continuity, Hi-Pot and pull-force testing for finished cable assemblies to verify wiring accuracy, insulation performance and terminal retention.
High-Density Flexible Harnesses

High-Density Flexible Harnesses

Flexible wire harness processing for robotic arms, wrist modules, compact actuators and equipment with limited routing space.
Multi-Conductor Control Cables

Multi-Conductor Control Cables

Shielded and unshielded multi-conductor cables for power, signal, control and communication connections inside industrial equipment.
Shielding & Harness Protection

Shielding & Harness Protection

Braided shielding, foil shielding, heat shrink tubing, sleeving, spiral wrap and protective tubing for signal stability, abrasion resistance and cable management.
Splicing & Branching Harnesses

Splicing & Branching Harnesses

Inline splices, branch connections and Y-split harnesses for multi-point wiring, distributed sensors and complex equipment routing.
Crimped Terminals

Crimped Terminals

Precision crimping for industrial connector terminals to support stable electrical contact in sensors, control cabinets and equipment wiring.
RoHS-Compliant Soldering

RoHS-Compliant Soldering

RoHS-compliant soldering for terminals, sensor leads, prototype harnesses and permanent wire joints used in industrial equipment.

Ready to Start Your Wire Harness Project?

Get instant quotes and submit custom requirements for engineering review.
Professional manufacturing with no minimum orders.
Talk to an Experts

Custom Wire Harness Services

WL supports industrial equipment, automation and robotics projects from engineering review and DFM analysis to prototyping, trial production, testing documentation and volume production transition.

Engineering & DFM Review

Engineering & DFM Review

Review drawings, samples, pinouts, routing space and manufacturing feasibility before prototyping or production.
Drawing & Pinout Review
Routing & Installation Check
DFM Risk Review
Connector & Cable Selection Support

Connector & Cable Selection Support

Support connector, cable material, wire gauge, shielding and jacket selection for industrial equipment, automation and robotics projects.
M8/M12/DP/RJ45/USB Options
22AWG-30AWG Standard
PVC/PUR/Silicone/XLPE/TPE
Prototype & Sample Development

Prototype & Sample Development

Build prototype cable assemblies for design validation, functional testing, installation checks and early project evaluation.
40-Unit R&D Batches
5-7 Day Prototype Lead Time
Design Validation Support
Small-Batch Customization

Small-Batch Customization

Support small-batch cable assembly orders for pilot runs, trial production and project validation before mass production.
No Minimum Order Quantity
1-3 Day Sample Design
Samples Within 72h
Quick-Turn Project Support

Quick-Turn Project Support

Provide expedited support when project requirements are clear and required connector or cable materials are available.
Fast Project Response
Available Material Matching
Expedited Production Support
OEM/ODM Cable Assembly Service

OEM/ODM Cable Assembly Service

Provide custom cable assembly services based on drawings, samples, pinouts, application requirements or customer specifications.
Custom Lengths 0.3m-30m+
Mixed Connector Support
Color, Labeling & Packaging
Testing & Inspection Documentation

Testing & Inspection Documentation

Provide inspection support and quality records for finished cable assemblies before shipment.
100% Tested
Continuity & Hi-Pot Testing
Pull-Force Testing
Prototype-to-Volume Transition

Prototype-to-Volume Transition

Support the transition from engineering samples to volume production through process confirmation and quality control.
Monthly Volume 500,000+
From Prototype to Production
Process & Quality Control

Your Wire Harness Manufacturing Partner in China. Global Shipping

Based in Dongguan, WLconnectivity offers in-house wire harness manufacturing and 150+ supply chain partners for industrial automation, robotics, and equipment. From sourcing to prototyping to volume production, we help engineers go from samples to stable delivery with global shipping.

5–7 Days
Prototype Lead Time
500,000+
Volume Production
0.3 -30m
Custom Cable Lengths
100%
Tested

Not Sure Which Service You Need?

Talk to Engineer

WLconnectivity FAQs

Answers to common questions about custom wire harness quotes, samples, testing and production support.

Please provide drawings, samples, pinout definitions, connector types, cable length, wire gauge, cable material, shielding requirements, jacket color, labeling, packaging, expected quantity and testing requirements. If drawings are not available, a sample harness or clear application description can help define the specification.

Customer Success Stories

Learn from our clients what they say regarding doing business with us and the additional value that we offer.

“Working with WL for 3 years has been a game-changer. From 1.0mm wire-to-board connectors to custom wire harnesses, their one-stop sourcing saves us huge time. With stable inventory and quick delivery for small batches, their products ensure our smart wearables maintain a 99.5% yield rate, fully meeting the quality standards for EU/US exports.”

Consumer Electronics

Shenzhen Smart Hardware Manufacturer

“Our energy storage cabinets demand high current-carrying capacity and reliability. After comparing multiple suppliers, we chose WL’s energy storage connectors. Their technical team optimized the connection structure for our PACK design, passing strict environmental tests and reducing our total connection cost by 15%. They are a trusted long-term strategic partner.”

New Energy

Zhejiang Energy Storage System Enterprise

“WL’s automotive connectors fully comply with IATF16949 standards. From sample validation to mass production, their collaboration is seamless. Their FPC/FFC connectors perform reliably in our in-vehicle infotainment systems, with excellent high-temperature resistance and vibration resistance. Their fast after-sales support addresses our core concerns for automotive-grade products.”

Automotive Electronics

Guangzhou Tier 1 Supplier

“The Japanese market has strict environmental and certification requirements. WL’s connectors are fully UL and RoHS certified, perfectly matching our smart home appliances. The 1.25mm pitch pin headers offer precise tolerances and superior insertion/extraction life. Their technical team quickly provides 3D drawings and specs, significantly shortening our R&D cycle.”

Smart Home

Foshan Home Appliance Manufacturer

“As a cross-border trader, we prioritize global delivery capability and quality control stability. WL’s production base in Southeast Asia and overseas offices enable fast responses to North American and European clients. With complete customs documentation and efficient inventory turnover, their custom harness service is flexible even for small batches, helping us secure long-term orders from major overseas clients.”

Trading & Sourcing

Hong Kong Trading Company

Case Studies

Industrial Camera M-Type Video Cable Assembly

Industrial Camera M-Type Video Cable Assembly

Industrial Camera M-Type to USB-to-DC Plug Cable Assembly

Industrial Camera M-Type to USB-to-DC Plug Cable Assembly

Industrial Camera CAT6 Ethernet Cable M-Type to RJ45

Industrial Camera CAT6 Ethernet Cable M-Type to RJ45

Industrial Camera M-Type to Type-C Cable Assembly

Industrial Camera M-Type to Type-C Cable Assembly

Industrial Sensor M-Type Cable Assembly

Industrial Sensor M-Type Cable Assembly

Industrial Sensor M-Type Single-End Waterproof Power Cable Assembly

Industrial Sensor M-Type Single-End Waterproof Power Cable Assembly

Industrial Sensor M-Type to USB Cable Assembly

Industrial Sensor M-Type to USB Cable Assembly

Industrial Camera SDR Cable Assembly

Industrial Camera SDR Cable Assembly

Servo I-O Signal Control Cable Assembly

Servo I-O Signal Control Cable Assembly

Gallery of A Wire Harness Factory

A modern Wire Harness Manufacturer with advanced workshops, strict quality control, and efficient automated production.

Stamping Workshop

Stamping Workshop

Mold Machining Center

Mold Machining Center

Electroplating Workshop

Electroplating Workshop

Injection Molding Workshop

Injection Molding Workshop

Wire Harness Workshop

Wire Harness Workshop

CNC Workshop

CNC Workshop

Fully Automated Assembly Workshop

Fully Automated Assembly Workshop

Machining Workshop

Machining Workshop

Get In Touch

  • Room 106, No. 6 Xixing Street, Chang'an Town, Dongguan City, Guangdong Province
  • [email protected]
  • Whatsapp:+86 13711955863

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