sales@wireharnessworks.com +86 19574989725 Shenzhen, China
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WIRE HARNESS WORKS SZN New Materials Β· Since 2013
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OEM / ODM Manufacturer Β· Since 2013

Custom Wire Harness Solutions for Automotive & Industrial Applications

Engineered cable assemblies and wiring harnesses for EV battery systems, semiconductor equipment, automotive lighting and industrial automation β€” manufactured in our IATF 16949 certified facility in Shenzhen, China.

IATF 16949UL ListedCCC CertifiedRoHS Compliant
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10+
Years Experience
500+
Global Clients
50+
Countries Served
24h
Quote Response

Certifications & Standards

IATF 16949Automotive Quality
ULComponent Recognition
CCCChina Compulsory
RoHSHazardous Substance
REACHEU Chemical
ISO 9001Quality Management
Industries We Serve
Product Categories

Engineered Harness Solutions Across Six Verticals

From automotive lighting to high-voltage EV battery assemblies and semiconductor equipment cabling β€” every harness is built to your drawing, specification and certification requirements.

Automotive wiring harness β€” OEM custom seat light, air outlet and full-vehicle harnesses
PRODUCT PHOTO Automotive Wiring Harness 800Γ—600px Β· white background Β· flat lay
01 Β· Automotive

Automotive Wiring Harness

Seat light, air outlet, motor and full-vehicle harnesses for passenger cars, motorcycles and coaches. Compliant with OEM drawings and IATF 16949.

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EV battery cable harness β€” high voltage cable assembly for new energy and storage systems
PRODUCT PHOTO EV Battery Cable Harness 800Γ—600px Β· orange HV cable Β· white background
02 Β· New Energy

EV Battery Cable Harness

High-voltage cable assemblies for EV powertrains, energy storage systems and photovoltaic stations. European-standard charging connectors available.

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Semiconductor equipment wire harness β€” crystal device and wafer fabrication cabling
PRODUCT PHOTO Semiconductor Equipment Harness 800Γ—600px Β· clean lab look Β· white background
03 Β· Semiconductor

Semiconductor Equipment Harness

Crystal device wire harnesses, ribbon cables and pressure sensor assemblies for wafer fabrication, testing and inspection equipment.

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Automotive lighting harness β€” headlight, taillight, fog lamp and LED module wiring
PRODUCT PHOTO Lighting Harness 800Γ—600px Β· headlight or LED module Β· white bg
04 Β· Lighting

Lighting Harness

Headlight, taillight, fog lamp, turn signal and daytime running light harnesses plus LED modules β€” front, rear and signal lighting series.

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Electronic control unit ECU β€” BDSC, power control and LED strip controllers
PRODUCT PHOTO Electronic Control Unit 800Γ—600px Β· green PCB Β· white background
05 Β· ECU

Electronic Control Unit

BDSC controllers, power control ECUs and LED strip controllers for vacuum cleaning robots, mobile devices, automation systems and robotics.

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Custom cable assembly β€” RF coaxial, ribbon and high-flex custom configurations
PRODUCT PHOTO Custom Cable Assembly 800Γ—600px Β· multiple cable types Β· white background
06 Β· Custom

Custom Cable Assembly

Build-to-print custom assemblies β€” RF coaxial cables, ribbon cables, high-flex elevator lines and any custom configuration to your drawings.

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Manufacturing Capability

Engineered for Scale, Built for Reliability

Vertically integrated production from wire cutting and terminal crimping through final assembly and 100% electrical testing.

5,000 mΒ² Facility

Modern Shenzhen factory with dedicated automotive, EV and semiconductor production lines.

100% Tested

Every harness passes continuity, insulation, hi-pot and visual inspection before shipment.

Fast Sampling

Prototype harnesses in 7–15 days from approved drawings. DFM feedback included.

Global Shipping

50+ countries served β€” Europe, North America, South America. EXW, FOB, CIF, DDP terms.

Quality Assurance

16 Testing Stations. Zero Compromise.

Every harness validated against automotive and industrial reliability standards β€” salt spray, vibration, thermal cycling, electrostatic discharge and more.

QA / 01
Salt Spray Test

Corrosion resistance per ISO 9227 for terminals and connectors.

QA / 02
Vibration Test

Random and sinusoidal vibration to automotive durability profiles.

QA / 03
Tensile Test

Pull-force testing on crimped terminals and wire-to-board solder joints.

QA / 04
Aging Test

Long-term heat aging in environmental chambers up to 150Β°C.

QA / 05
Thermal Cycling

High and low temperature alternating chamber (-40Β°C to +125Β°C).

QA / 06
Waterproof Test

IP67 / IP69K ingress protection validation for sealed assemblies.

QA / 07
Vertical Combustion

UL94 V-0 flammability testing on insulation and sleeving.

QA / 08
ESD Generator

Electrostatic discharge immunity per IEC 61000-4-2 standards.

Industries Served

Trusted by Engineers Across Six Industrial Sectors

From Tier-1 automotive suppliers to semiconductor equipment OEMs and renewable energy integrators.

INDUSTRY Β· 01

Electric Vehicles

HV battery cable assemblies, charging port harnesses, motor and BMS wiring.
INDUSTRY Β· 02

Energy Storage

Charging dock harnesses, battery cabling for wind, solar and mobile power banks.
INDUSTRY Β· 03

Semiconductor Equipment

Wafer handling, etching, deposition and inspection equipment cabling.
INDUSTRY Β· 04

Industrial Automation

Control panel harnesses, sensor cabling and motor connection assemblies.
INDUSTRY Β· 05

Medical Equipment

Sensor wire harnesses for diagnostic, imaging and patient monitoring devices.
INDUSTRY Β· 06

Robotics

High-flex cables and control harnesses for service and industrial robots.
Why Choose Wire Harness Works

The Engineering Partner, Not Just a Supplier

SZN WIRE HARNESS WORKS
  • 01

    OEM / ODM Capability

    Engineering team available for DFM analysis, drawing review and full design service. From concept sketch to production-ready harness.

  • 02

    Strict Quality Control

    IATF 16949 certified. 100% electrical test. Traceability from wire batch to finished assembly via barcode scanning.

  • 03

    Fast Sample Lead Time

    7–15 day prototype turnaround. 24-hour quote response. Production lead time 15–30 days for typical orders.

  • 04

    Global Export Experience

    10+ years exporting to Europe, North America and South America. Documentation, packaging and logistics handled in-house.

Have a Drawing? Get a Quote in 24 Hours.

Send us your harness specification β€” we'll review, optimize and quote within one business day.

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