Custom Industrial Wire Harness Manufacturer

Yihetai is a professional industrial wire harness manufacturer and custom cable assembly supplier in China. We specialize in delivering custom industrial wire harness solutions for power distribution, signal transmission and equipment connectivity in demanding environments. As an experienced wire harness manufacturer and cable assembly manufacturer, we provide full customization including wire gauge, cable length, connector types, terminal types, shielding, insulation materials and overmolding structures.

Our custom wire harness products are widely used in industrial automation, machinery, control systems, robotics and energy equipment. Whether you need an OEM wire harness or a complex custom wiring solution, Yihetai is ready to support your project with reliable quality and fast response. Send us your requirements today.

What Is Industrial Wire Harness?

An Industrial Wire Harness is a customized assembly of wires, cables, terminals, connectors, sleeves and protective materials designed to organize and transmit electrical power or signals inside industrial equipment and systems. It helps connect control boards, sensors, motors, switches, relays, power units, PLC modules, HMI interfaces and other electrical components in a safe and efficient way.

Compared with loose wires, a custom industrial wire harness improves installation efficiency, reduces wiring errors, simplifies maintenance and supports more reliable equipment performance. In many industrial systems, the harness must also meet specific requirements for vibration resistance, temperature resistance, abrasion protection, flexible routing, EMI shielding, marking and connector retention.

For industrial OEMs and equipment manufacturers, standard off-the-shelf wires are often not enough. The harness must fit the exact machine layout, connector pitch, bundle diameter, operating temperature and installation process. That is why many buyers prefer to work with an experienced cable assembly manufacturer or wire harness manufacturer that can provide a complete custom wiring solution based on real project requirements.

At Yihetai, we manufacture custom industrial wire harness products for a wide range of applications, from simple internal machine wiring to more complex multi-branch assemblies used in automation systems, control panels and industrial equipment. Whether your project needs only a few wires or a complex bundle with multiple connectors, labeling, shielding and testing requirements, we can provide a custom solution based on your drawings, samples or technical specifications.

Common Custom Industrial Wire Harness Types

At Yihetai, we can manufacture different kinds of Industrial Wire Harness for OEM and industrial projects, including:

Power distribution harnesses for motors and drives
Signal harnesses for sensors and PLCs
High-voltage harnesses for energy systems
Shielded harnesses for EMI-sensitive applications
Waterproof overmolded harnesses for outdoor use
Multi-branch harnesses for control panels

Key Features of Our Industrial Wire Harness

Custom cable lengths, branch layouts, and wire configurations
Support for power, signal, sensor, actuator, and control connections
Compatible with JST, TE, Molex, Hirose, terminal blocks, ring terminals, ferrules, and equivalent connectors
Available with shielding, braided sleeve, corrugated tube, heat shrink, taping, labels, and protective covers
Stable crimping, soldering, assembly, and optional overmolding processes
Flexible support for prototype, low-volume, and mass-production projects
100% electrical testing before shipment according to project requirements

Technical Specifications

Parameter	Specification
Wire Gauge	30 AWG to 4 AWG, or customized
Cable Type	Single wire, multicore cable, control cable, UL wire, ribbon cable, shielded cable, power cable, custom cable assembly
Connector Type	JST, Molex, TE, Hirose, Deutsch, terminal block, circular connector, waterproof connector, customized
Temperature Range	Typically -40°C to +105°C; higher temperature materials available on request
Voltage Rating	Typically 30V to 1000V depending on wire, connector and application requirement
Testing	Continuity test, open/short test, wrong pin detection, polarity check, insulation resistance, hi-pot test, pull force test, visual inspection

Applications

Our industrial wire harness solutions are widely used in:

Control panels and PLC systems
Servo drives and motor control systems
Industrial machinery and machine tools
Robotics and intelligent equipment
HMI panels and operator interfaces
Sensors, actuators, and industrial I/O modules
Power distribution units and control cabinets

Testing and inspection equipment
Industrial electronic systems
Home appliances and smart devices
Communication devices and network control units
Energy storage systems and battery control equipment
Photovoltaic and renewable energy equipment
LED lighting and industrial lighting systems

Customization Options

Item	Customization Options
Wire Type	UL wire, hook-up wire, control cable, shielded cable, multicore cable, power cable, ribbon wire, customized
Conductor	Bare copper, tinned copper, stranded conductor, solid conductor, customized
Wire Gauge	30 AWG to 4 AWG or customized
Length	Customized according to drawing, sample or equipment layout
Color	Black, red, white, blue, yellow, green, gray, multi-color, customized color code
Connector	JST, Molex, TE, Hirose, Deutsch, terminal block, circular connector, waterproof connector, custom equivalent
Terminal	Crimp terminal, ferrule, ring terminal, fork terminal, open barrel terminal, quick disconnect terminal, tinned end
Jacket Material	PVC, PE, XLPE, TPE, silicone, PTFE and other optional materials
Process	Cutting, stripping, crimping, tinning, soldering, ultrasonic welding, twisting, bundling, sleeving, labeling, overmolding
Testing	Continuity, short/open, wrong pin, polarity, insulation resistance, hi-pot, pull force, appearance inspection

At Yihetai, all industrial wire harness products are fully customizable as a trusted cable assembly manufacturer.

Send us your drawing, sample or specification for a fast quotation.

Manufacturing Capability

Yihetai boasts over 25 years as a wire harness manufacturer with a 7,000 sqm factory equipped for full-scale production. Advanced tools include automated wire cutters, Komax crimpers, terminal inserters, ultrasonic welders, and injection molders for overmolding. We handle prototypes to high-volume runs, supporting OEM wire harness needs from design to delivery. Strict process controls ensure reliability, with typical prototype lead times of 5-7 days and mass production in 3-4 weeks.

Quality Assurance & Control

From incoming inspection to final packing, Yihetai implements full-process quality control with documented ISO systems for traceability. We hold ISO 9001:2015, UL, and IATF 16949 certifications, ensuring automotive-grade standards across our cable assembly supplier operations.

Quality control includes:

Incoming material inspection (wire, connectors)
Terminal crimp pull test (≥50N)
Visual, continuity, and dimensional checks
High-voltage dielectric test (2kV)
Environmental simulation (temp, humidity)
100% fixture and functional testing
Every harness delivers guaranteed electrical integrity and consistent quality across batches.

Why Choose Yihetai

25+ years of cable and wire harness manufacturing experience

UL, ISO 9001 and IATF 16949 certified production system

In-house wire processing and harness assembly capability

Professional OEM and ODM support

Flexible lead time for custom projects

Strong capability for both low-volume and mass production

Frequently Asked Questions

What information do you need for an industrial wire harness quotation?

We usually need drawings, connector part numbers, wire gauge, cable length, circuit definition, quantity, application environment, and any special requirements for labels, shielding, or testing.

Can you manufacture industrial wire harnesses based on samples only?

Yes. We can evaluate customer samples and develop a matching OEM wire harness or optimized custom cable assembly solution based on the real application.

What connector and terminal types can you support?

We can support many common connector and terminal options used in industrial projects, including JST, TE, Molex, ring terminals, ferrules, and quick-disconnect structures, depending on project requirements.

Do you support prototype and low-volume industrial wire harness orders?

Yes. Yihetai publicly presents support for prototype development together with low-volume and ongoing production for custom harness projects.

Will the harnesses be tested before shipment?

Yes. Electrical testing and inspection are important parts of our process, and applicable industrial wire harness projects can be checked for continuity, short/open circuit, insulation resistance, and related quality items before shipment.

Looking for a reliable industrial wire harness manufacturer?

Send us your drawing, sample, or specs—our team provides fast custom wire harness solutions, prototypes, and quotes.