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Custom Wiring Harness &
Cable Assembly Solutions

Trusted contract manufacturer since 1997. Delivering precision-engineered custom wire harnesses, overmolded cables, and turnkey solutions for automotive, medical, industrial, and aerospace applications.

312+ customers served in U.S. & Europe

Who is QL-Custom?

QL-Custom Technology Ltd is a Chinese wire and cable harness manufacturer based in Changsha, a central city of China. As a Custom Cable, Over-Molding Cable, and Custom Wiring Harness manufacturer in China, we provide global customers with efficient, accurate communication and professional services that help them win in their markets.

We always consider and stand with our customers’ position, and maintaining market competitiveness requires us to strictly control product quality. Quality is the vitality of a company, and it is the ultimate measure of whether we are the right long-term partner for your business.

1997
Founded
312+
Global Clients
Overmolded Military Connector Factory Production

Our Product Range

Precision-engineered cable assemblies and wiring harnesses for every industry

Custom Wiring Harness

Custom Wiring Harness

Tailored to your exact specifications with high durability and reliability for industrial and automotive applications.

Overmolded Cable Assembly

Overmolded Cable Assembly

Enhanced strain relief and environmental protection using advanced injection molding techniques.

Mil-Spec Cable Assembly

Mil-Spec Cable Assembly

Compliant with military standards for rugged environments, including MS, MIL-DTL, and aerospace requirements.

Medical Cable Assembly

Medical Cable Assembly

Biocompatible, sterilizable, and EMI-shielded cables designed for medical devices and diagnostic equipment.

Automotive Wire Harness

Automotive Wire Harness

Engine, transmission, dashboard, and ECU harnesses built for trucks, construction vehicles, and trailers.

Industrial Wire Harness

Industrial Wire Harness

Robust, high-temperature, and fire-resistant harnesses for factory automation and control systems.

USB & Network Cable

USB & Network Cable

High-speed data transmission cables including USB, RJ45, LVDS, and FTDI configurations.

Aerospace Cable Assembly

Aerospace Cable Assembly

Lightweight, high-reliability cables meeting stringent aerospace and avionics standards.

Battery Cable Assembly

Battery Cable Assembly

High-current, low-resistance cables for EVs, energy storage, and power distribution systems.

Robotic Cable Assembly

Robotic Cable Assembly

Ultra-flexible, drag-chain rated cables designed for robotic arms and automated machinery.

Solar Cable Assembly

Solar Cable Assembly

UV-resistant, weatherproof PV cables for solar farms and renewable energy installations.

RF Cable Assemblies

RF Cable Assemblies

Precision coaxial cables for radio frequency, signal transmission, and communication systems.

Advanced Manufacturing Capabilities

From design to delivery, we offer full turnkey solutions

Injection Molding

  • Overmolded Plug
  • High-Temp Molding
  • Low Pressure Molding
  • PCB Overmolding
  • Technomelt Resins

Wire & Cable Types

  • Mil-Spec Wire
  • Medical Grade Cable
  • High Voltage Cable
  • Fire-Proof & Low Halogen
  • Drag Chain & Flexible

Featured Assemblies

  • FPC/FFC Molded Cables
  • IDC Ribbon Cables
  • Micro D Assemblies
  • Waterproof Design
  • EMI Shielded Cables

Brands We Work With

Amphenol
TE Connectivity (Deutsch)
Molex
JST
Hirose
Phoenix Contact
Bulgin
Lemo
ITT Cannon
Yazaki
Delphi
Omron
1997
Founded
312+
Global Clients
25+
Years Experience
100%
Quality Focus

Frequently Asked Questions

What industries do you serve?

We serve automotive, medical, industrial automation, aerospace, defense, energy, robotics, and telecommunications sectors.

Do you offer prototyping services?

Yes, we provide quick-turn wire harness prototypes and low-volume production runs to support your development cycle.

Are your products compliant with international standards?

Yes, our products meet RoHS, REACH, UL, CE, and MIL-SPEC standards as required by customer specifications.

Can you match specific connector brands?

Absolutely. We work with Amphenol, TE, Molex, JST, Hirose, Phoenix, and many other OEM-approved connectors.

What is your typical lead time?

Standard lead times range from 2–4 weeks depending on complexity. We offer expedited services for urgent needs.

Get in Touch

Ready to start your next project? QL-Custom is here to support your custom wiring and cable assembly needs.

We welcome customers to visit our company and discuss partnership opportunities.

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

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