Premier Manufacturer
ISO13485:2023 Certified
IATF16949: Certified
Custom Wire Harness Manufacturer

Custom Wire Harness & Cable Assembly Solutions

High-performance wiring solutions engineered for automotive, industrial and medical applications. From prototype development to mass production, LEX delivers reliable assemblies built around your requirements.

✓ IATF 16949
Certified
✓ ISO 13485
Certified
✓ IPC/WHMA-A-620
Compliant
10+
Years Experience

Wire harness manufacturing

1,000+
Projects Completed

Custom cable solutions

5,000+
Happy Customers

Successful cooperation

ISO
Certified Quality

Controlled production system

24H
Fast Response

Engineering review support

Popular Wire Harness

 Discover commonly used custom wire harness solutions designed for stable electrical connection, reliable signal transmission, flexible installation, and long-term performance in demanding applications.

Industries We Serve

Lex develops custom wire harness and cable assembly solutions around real electrical, mechanical, environmental, and installation requirements across demanding industrial applications.

01 Automotive wire harness applications
Automotive

Reliable Harness Routing for Complex Vehicle Systems

Cable routing, connector sealing, insulation, and identification are coordinated around limited installation space, vibration, and demanding vehicle electrical requirements.

Routing Control Sealed Connectors High Voltage
02 Industrial automation cable assembly
Industrial Automation

Stable Connections for Continuous Industrial Operation

Harness layouts are engineered for machines and control systems that require dependable power, signal transmission, serviceability, and consistent performance during continuous operation.

Continuous Duty EMI Control Reliable Connection
03 Smart manufacturing wire harness
Smart Manufacturing

Flexible Harness Integration for Connected Production Lines

Custom cable assemblies help organize power, data, and control connections across connected production equipment while supporting cleaner routing and easier system integration.

Data Signal Flexible Routing System Integration
04 Medical equipment cable assembly
Medical Equipment

Compact Cable Assemblies for Controlled Medical Systems

Cable assemblies are developed around compact packaging, controlled routing, connector consistency, and repeatable assembly requirements.

Compact Design Signal Integrity Controlled Assembly
05 Robotics cable assembly
Robotics

Harnesses Designed for Repeated Motion and Tight Bending

Cable flexibility, bend radius, anchoring, and protective sleeving are selected to help reduce fatigue during repeated movement.

Flexible Cable Bend Radius Motion Control
06 Energy storage wire harness
Energy Storage

Power and Signal Separation for BMS Integration

Power, sensing, and communication circuits can be organized separately to improve installation clarity and BMS system integration.

BMS Signal Power Cable Identification
07 Consumer electronics cable assembly
Consumer Electronics

Compact Interconnect Solutions for Space-Limited Devices

Small-form-factor harnesses help manage dense internal connections where connector size and assembly space are important.

Miniaturization Fine Pitch Space Saving
08 Agricultural equipment wire harness
Agricultural Equipment

Rugged Harnesses for Vibration, Dust and Outdoor Conditions

Harness construction can be adapted for equipment exposed to vibration, contamination, moisture, and rough operating conditions.

Vibration Resistance Weather Protection Rugged Design

How to Choose the Right Wire Harness Solution

Choosing a wire harness supplier is not only about unit price. For automotive, industrial, medical, and smart device projects, buyers should compare engineering support, quality control, component stability, production capacity,certifications, and after-sales response.

Consideration Typical Low-Cost Supplier Standard Supplier LEX Advantage
Engineering Support Limited technical communication and little design review Basic drawing and specification confirmation DFM review, technical discussion, and practical manufacturing suggestions
Quality Control Basic final inspection with limited process control Standard visual inspection and sampling checks Critical-process inspection, electrical testing, and traceable quality records
Component Quality Material selection may focus mainly on purchase cost Standard component sourcing and specification matching Controlled selection of wires, connectors, terminals, sleeves, labels, and protective materials
Production Capability More suitable for simple or price-driven orders Standard production support for conventional projects Support from prototype and small batches through repeat production orders
Quality System Documentation and process records may be limited Standard quality-system documentation ISO 13485 quality-system support, IATF 16949-aligned processes, and IPC/WHMA-A-620 workmanship requirements
Project Support Primarily order-focused communication Standard quotation and order follow-up Engineering communication, project follow-up, and support for repeat-order consistency
COMPARE YOUR PROJECT

Not Sure Which Wire Harness Supplier Fits Your Project?

Send us your drawing, BOM, sample, connector information, and expected order volume. Our engineering team can review your requirements and help identify the right manufacturing approach for your project.

Project Development

From Concept to Mass Production

A controlled project sequence helps reduce engineering rework, production uncertainty, and quality risk before volume manufacturing begins.

01

Submit Project Data

Submit drawings, BOM, samples, connector models, cable lengths and expected quantities.

02

Engineering Review

Application requirements, manufacturability, routing logic and technical risks are reviewed.

03

Material Confirmation

Wire, terminals, connectors, protection materials and labeling requirements are confirmed.

04

Prototype Production

Prototype harnesses are built for dimensional, installation and functional verification.

05

Sample Approval

Fit, pinout, connector direction, cable routing and labeling are confirmed.

06

Mass Production

Approved project data is released into controlled cutting, crimping, assembly and inspection.

07

Quality & Delivery

Finished harnesses are inspected, packed, labeled and prepared for shipment.

Manufacturing Capability

Wire Harness Manufacturing Capabilities

LEX controls key stages of custom wire harness manufacturing, from wire preparation and crimping to assembly, inspection, testing, packing, and repeat-order fulfillment.

LEX wire harness manufacturing production line 01
Production

Wire Harness Production Lines

Organized production areas support wire preparation, crimping, harness assembly, inspection, and repeat manufacturing.

Skilled wire harness assembly team at LEX 02
Assembly

Skilled Harness Assembly

Trained operators assemble custom harnesses according to approved drawings, BOMs, routing, and connector requirements.

Automated wire crimping process for wire harness manufacturing 03
Crimping

Automated Wire Crimping

Controlled crimping helps improve terminal consistency and reduce unstable electrical connections.

Wire harness testing and inspection capability 04
Quality Verification

Testing & Inspection

Wiring, dimensions, appearance, and functional requirements are checked before shipment.

Wire harness warehouse and order fulfillment 05
Fulfillment

Warehouse & Order Fulfillment

Organized storage, labeling, packing, and shipment preparation help reduce part mix-ups and delivery errors.

Project Case Studies

Lex supports custom wire harness and cable assembly projects across automotive, industrial automation, medical equipment, robotics, energy storage, and electronic device applications.

EV battery management system wiring harness
Automotive

EV Battery Management System Wiring Harness

A vehicle-related electrical project required stable wiring performance, controlled connector matching, and repeatable batch quality.

  • High-current and signal wiring structure
  • Connector matching and crimping control
  • Inspection support before batch delivery
Robotic arm cable assembly
Industrial Automation

Robotic Arm Cable Assembly

An automation equipment buyer needed flexible cable routing, stable signal performance, and easier installation for robotic systems.

  • Flexible routing for repeated movement
  • Clear labeling and connector direction
  • Electrical testing before shipment
Medical equipment cable assembly
Medical Equipment

Ultrasound Machine Cable Assembly

A medical equipment project required clean assembly logic, stable connection, careful material selection, and inspection records.

  • Medical-grade material consideration
  • Stable cable assembly and connection
  • Final electrical and visual inspection
Start Your Project

Have a Wire Harness Project to Discuss?

Send us your drawing, BOM, sample, connector model, or application requirements. Our engineering team can review your project and help evaluate suitable materials, connectors, routing, and manufacturing options.

Why Work With LEX

Why Choose LEX

LEX supports custom wire harness and cable assembly projects with engineering review, flexible manufacturing, controlled quality processes, clear communication, and long-term production support.

ENG

Engineering Support

Drawings, BOMs, samples, connector specifications, cable routing, and application requirements can be reviewed before production begins.

OEM

Flexible Customization

Cable length, connectors, terminals, labels, sleeving, protective tubing, branching structures, and packaging can be customized.

QC

Controlled Quality

Key production stages including material checking, crimping, assembly verification, electrical testing, and packing are controlled.

COM

Clear Communication

Technical questions, sample revisions, quotation requests, and production updates are handled through clear project communication.

SUP

Long-Term Supply

Support extends from prototype development and small-batch production to repeat orders and long-term B2B supply programs.

Inside LEX Manufacturing
Custom Wire Harness Manufacturing Process Factory Video · 1:55

See Our Production Process in Action

See how LEX manages custom wire harness production from wire preparation and terminal crimping through assembly, electrical testing, inspection, packing, and delivery.

  • Understand the real production workflow behind custom wire harness manufacturing.
  • See how crimping, assembly verification, and inspection are controlled during production.
  • Evaluate manufacturing capability before starting an OEM or custom cable assembly project.
Buyer FAQ

Frequently Asked Questions

Practical answers for buyers preparing custom wire harness, cable assembly, prototype, and OEM manufacturing projects with LEX.

Please provide drawings, BOMs, samples, cable lengths, wire specifications, connector and terminal models, pin definitions, estimated quantity, and any electrical testing or packaging requirements. If some information is not yet confirmed, LEX can review the available project details before quotation.

Yes. LEX can evaluate physical samples to identify cable lengths, connector types, terminal structures, pin arrangements, labels, sleeves, protective components, and other assembly details. Critical specifications should be confirmed before prototype or mass production.

Yes. Prototype production is useful for checking connector direction, cable routing, overall length, installation fit, electrical function, labeling, and assembly details before moving into larger production runs.

LEX supports custom wire harness and cable assembly projects for automotive systems, industrial automation, robotics, medical equipment, energy storage, electronic devices, and other electrical applications requiring customized wiring solutions.

Quality control can include incoming material checks, wire preparation verification, terminal crimp inspection, connector and routing confirmation, electrical continuity testing, dimensional checks, visual inspection, and final packing review according to project requirements.

LEX can review connector models, terminals, wire gauges, insulation materials, sleeves, heat-shrink tubing, protective conduits, labels, and related components based on the information supplied for the application.

Yes. Depending on the project, LEX can support customized wire labels, cable identification, grouping methods, protective packing, carton marks, and buyer-specific packaging requirements for production and shipment.

A project normally begins with drawings, samples, BOMs, connector information, or a technical description. LEX reviews the requirements, confirms key specifications, prepares a quotation, and can then proceed to prototype verification before mass production when required.

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