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Welcome To Romtronic

Custom Cable Assembly & Wire Harness Manufacturer

  • 28 Years ODM/OEM Expertise | Trusted by Global Leaders
  • Rapid Custom Wiring Harness Factory | Fast Turnaround
  • One-Stop Solutions | From Design to Delivery
  • Replies Within 12 Hours | Dedicated Support
Get a Quote

About Romtronic

A trusted leader in custom cable assembly and wire harness manufacturing with over 28 years of OEM/ODM expertise.

Romtronic is a professional cable assembly and wire harness manufacturer based in China, specializing in OEM and ODM production services. Established in 1997, we have built a reputation for delivering high-quality, reliable solutions to clients across more than 80 countries.

Our factory is certified to ISO 9001, ISO 13485:2016, and IATF 16949 standards, ensuring compliance with the highest industry requirements. We serve global industry leaders such as Siemens, Mettler Toledo, Bosch, Samsung, RAFI, TE, and Amphenol.

With a commitment to innovation, quality, and customer satisfaction, Romtronic continues to expand its capabilities in custom cable design, rapid prototyping, and large-scale production.

Custom Cable Assemblies

Our Products

High-performance custom cable assemblies and wire harnesses engineered for reliability, durability, and precision across industries.

Ethernet Cable

Ethernet Cable

High-speed RJ45 Ethernet cables for industrial and commercial networking applications. Available in Cat5e, Cat6, Cat6a, and Cat7 configurations.

USB Cable

USB Cable

Custom USB 2.0, 3.0, and Type-C cables with various connector types and shielding options for consumer electronics and industrial devices.

Medical Wire Harness

Medical Wire Harness

ISO 13485-certified medical-grade harnesses designed for diagnostic equipment, patient monitoring systems, and surgical devices.

Lighting Harness

Lighting Harness

Custom wiring solutions for LED lighting systems, architectural lighting, and industrial luminaires with high thermal resistance.

HDMI Cable

HDMI Cable

High-definition multimedia interface cables supporting 4K, 8K, and HDR with gold-plated connectors and robust shielding.

Car Wire Harness

Car Wire Harness

Automotive-grade wiring harnesses built to withstand vibration, temperature extremes, and moisture for OEM and aftermarket applications.

Appliance Wire Harness

Appliance Wire Harness

Reliable internal wiring for home appliances including refrigerators, washing machines, and HVAC systems.

Robot Wire Harness

Robot Wire Harness

Flexible, high-cycle life harnesses for industrial robots and automation systems requiring continuous motion and durability.

RS232 Cable

RS232 Cable

Serial communication cables for legacy and industrial control systems with EMI protection and rugged connectors.

Solar Harness

Solar Wire Harness

UV-resistant, weatherproof cabling for photovoltaic systems and solar inverters with high voltage tolerance.

DisplayPort Cable

DisplayPort Cable

High-bandwidth digital display interface cables supporting 4K/8K resolution and multi-monitor setups.

Power Cable

Power Cable

Custom power delivery cables with various gauges, insulation types, and connector configurations for industrial and commercial use.

View Full Product Brochure

Industries & Applications

We deliver tailored cable solutions across a wide range of high-demand sectors.

Automotive

Car, motorcycle, and trailer wire harnesses for OEM and aftermarket applications.

Medical

ISO 13485-compliant harnesses for diagnostic, monitoring, and surgical equipment.

Industrial

Wiring for machinery, robotics, automation, and control systems.

Solar

UV-resistant cabling for photovoltaic and renewable energy systems.

Lighting

Harnesses for LED, architectural, and industrial lighting fixtures.

Consumer Products

Cables for displays, audio, and home electronics.

Communication Equipment

Ethernet, HDMI, USB, and data transmission cables.

Appliances

Internal wiring for refrigerators, ovens, washers, and HVAC systems.

Why Choose Romtronic?

We combine decades of expertise with cutting-edge technology to deliver unmatched value.

01

28 Years OEM/ODM Expertise

Trusted partner for global brands including Siemens, Bosch, Samsung, and Mettler Toledo.

02

Accept Small Quantity Orders

Minimum order of 10 pieces or $100 total value — ideal for prototyping and startups.

03

100% Conformity & On-Time Delivery

Rigorous 300% inspection process and late delivery penalty agreement for peace of mind.

04

Operational Flexibility

Adaptable to diverse business models, from low-volume custom to high-volume production.

05

Professional Sales Team

18 experienced sales engineers with over 10 years in the global cabling industry.

06

Certified Quality Standards

ISO 9001, ISO 13485:2016, and IATF 16949 certified manufacturing processes.

Get in Touch

Ready to start your custom cable project? Contact us today for a fast quote and expert support.

No. 374, Zhen’an Middle Rd., Shangsha Village, Chang’an Township, Dongguan City, Guangdong Province, China
(+86) 199-2816-5824
sales@romtronic.com
(+86) 199-2816-5824
Tech Support: Techsupportdat@romtronic.com
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