sales@wireharnessworks.com +86 19574989725 Shenzhen, China www.wireharnessworks.com
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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
FACTORY TOUR
REPLAY
FACTORY TOUR VIDEO /videos/factory-tour.mp4 Β· 1280Γ—720
5,000mΒ²
Facility
200+
Workforce
16
Test Stations
Industries We Serve
Product Catalog

Six Core Categories. Eight Specialized Solutions.

From automotive wiring harnesses to 1500V EV battery cables, semiconductor equipment assemblies, and custom industrial cables β€” explore our complete catalog organized by application.

Automotive wiring harness category β€” 15 SKUs for headlight, taillight, VCU, fog light and sunroof harnesses
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15 SKUs
01 Β· AUTOMOTIVE

Automotive Wiring Harness

Headlight, taillight, fog/turn/reverse, VCU, sunroof and reading-light harnesses for passenger cars, motorcycles and coaches.

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EV battery high-voltage cable assembly β€” 1500V XLPE oxygen-free copper power cable for new energy vehicles and storage
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FLAGSHIP
02 Β· EV / ENERGY STORAGE

EV Battery Cable

1500V XLPE high-voltage power cables with oxygen-free copper for new energy vehicles, battery storage systems and PV stations.

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Semiconductor equipment wiring harness β€” low and high voltage anti-static signal transmission cables for wafer fab
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3 SKUs
04 Β· SEMICONDUCTOR

Semiconductor Equipment Harness

Anti-static low/high voltage harnesses and sensor signal transmission cables for wafer fabrication, etching and inspection equipment.

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Laser equipment wiring harness β€” high voltage cables for high frequency and low frequency laser equipment with pressure sensor
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FLAGSHIP
05 Β· LASER

Laser Equipment Harness

HV/LV harnesses for high-frequency and low-frequency laser equipment, with pressure sensor detection signal control cables.

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Wire and cable products β€” communication cables, flat elevator cables, copper shielded wiring harnesses, eco-friendly flame retardant
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3 SKUs
07 Β· WIRE & CABLE

Wire & Cable

Communication cables, copper welding terminal connectors, shielded harnesses and flat flexible elevator cables β€” eco-friendly, oil & flame resistant.

View 3 Products
SEE ALL 8 CATEGORIES 26 ACTIVE SKUs
+ MORE

Electric Motorcycle Β· Financial Equipment Β· Ribbon Cable & More

Explore our complete catalog including E-Moto main harnesses, 12-pin financial equipment connectors, medical/industrial ribbon cables and 500+ active SKUs.

Browse Full Catalog

Don't see exactly what you need? We build custom wire harnesses to your drawing β€” IATF 16949 certified, 24-hour quote response.

Send Your Drawing
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.

Inside Our Facility

Workshop Β· Production Equipment Β· Quality Testing

From the production floor to the QC lab β€” see the people, machines and testing systems behind every harness we ship.

SECTION Β· 01

Workshop & Production Floor

5,000 mΒ² Shenzhen facility with dedicated automotive, EV and semiconductor assembly lines.

6 photos
Wire harness production workshop main assembly line in Shenzhen factory
workshop-01.jpg
Wire harness assembly workstations with skilled operators in clean production environment
workshop-02.jpg
Automotive wiring harness production line with quality control monitors
workshop-03.jpg
EV battery cable assembly area with specialized tooling for high voltage harnesses
workshop-04.jpg
Semiconductor equipment harness clean assembly station with anti-static protection
workshop-05.jpg
Finished wire harness inspection and packaging area before global shipment
workshop-06.jpg
SECTION Β· 02

Production Equipment

Automated wire cutting, terminal crimping, laser marking and threading machinery for high-volume precision manufacturing.

6 photos
Fully automatic wiring harness production equipment for high volume manufacturing
equipment-01.jpg
Automatic wire cutting and stripping machine for cable assembly
equipment-02.jpg
Terminal crimping machine for automotive wiring harness production
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Laser marking machine for wire and terminal identification
equipment-04.jpg
Double head cable threading and punching automatic equipment
equipment-05.jpg
Resistance welding automatic equipment for terminal connection
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SECTION Β· 03

Quality Testing Laboratory

16 testing stations covering salt spray, vibration, thermal cycling, waterproof, combustion, ESD and tensile testing β€” IATF 16949, UL and CCC compliance.

12 photos
Salt spray test chamber for corrosion resistance testing per ISO 9227
quality-01.jpgSalt Spray Test
Electric constant temperature water bath for thermal testing
quality-02.jpgConstant Temp Bath
Interference detection equipment for electromagnetic compatibility EMC testing
quality-03.jpgInterference Detection
Digital power supply for electrical testing of wire harnesses
quality-04.jpgDigital Power Supply
Continuous zoom stereomicroscope for visual inspection of terminal crimps
quality-05.jpgStereomicroscope
Melt indexer testing equipment for plastic insulation quality control
quality-06.jpgMelt Indexer
Electronic tensile test machine for pull-force testing on terminal crimps
quality-07.jpgTensile Test
Aging test chamber for long-term heat aging environmental testing up to 150 degrees
quality-08.jpgAging Chamber
Waterproof IP67 IP69K ingress protection test chamber for sealed harness assemblies
quality-09.jpgWaterproof Test
High and low temperature alternating thermal cycling test chamber -40 to +125C
quality-10.jpgThermal Cycling
Vertical combustion test chamber for UL94 V-0 flammability testing on insulation
quality-11.jpgVertical Combustion
Electrostatic discharge ESD generator for IEC 61000-4-2 immunity testing
quality-12.jpgESD Generator
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.

Request Quote Now