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Precision Cable & Wire Harness Manufacturing

SINNHONG ELECTRONICS CO., LTD is a trusted global supplier of high-quality custom cable assemblies and wire harnesses, with advanced manufacturing facilities in Dongguan, China and Ho Chi Minh City, Vietnam.

Wire Harness Assembly

About SINNHONG

A leading supplier of high-quality custom cable and wire harness assemblies with a global footprint and commitment to excellence.

SINNHONG ELECTRONICS CO., LIMITED is a leading supplier of high-quality custom cable and wire harness assemblies. Based in Dongguan, China and Ho Chi Minh City, Vietnam, we operate from a 3000 square meter facility equipped with advanced manufacturing technologies and staffed by 100 skilled production workers and a dedicated R&D team.

Our product portfolio includes a wide range of custom cable assemblies such as industrial cable assemblies, automotive wiring solutions, telecommunications cables, and more. We serve clients across diverse industries with precision, reliability, and speed.

  • 3000㎡ Advanced Manufacturing Facility
  • 100+ Skilled Production Workers
  • Dedicated R&D and Engineering Team
  • ISO-Compliant Quality Standards
Factory Workshop Wire Warehouse Circuit Testing Automotive Assembly

Why Choose SINNHONG

We deliver unmatched value through quality, speed, and customization.

High Quality

Committed to delivering the highest quality cable and wire harness assemblies with strict quality control at every stage.

Competitive Pricing

We offer cost-effective solutions without compromising on materials, workmanship, or reliability.

Quick Turnaround

Fast prototyping and production cycles ensure your projects stay on schedule and meet tight deadlines.

Customization

Specialized in fully custom cable and wire harness solutions tailored to your exact specifications.

Our Core Services

Custom Wire Harness Assembly

We design and manufacture fully customized wire harnesses for complex applications in automotive, industrial, and medical equipment. From concept to production, we ensure optimal performance, durability, and compliance.

  • Full design & engineering support
  • Prototyping and testing
  • High-volume production
  • UL, CE, RoHS compliant

Custom Cable Assembly

Our custom cable assemblies are built to meet exact electrical, mechanical, and environmental requirements. Whether for data transmission, power delivery, or signal integrity, we deliver precision-built cables.

  • Coaxial, ribbon, flat, and round cables
  • Crimping, soldering, and overmolding
  • Connector types: USB, HDMI, RJ45, Molex, etc.
  • EMI/RFI shielding options

Our Products

High-performance cable and wire harness solutions for diverse applications.

Industrial Cable Assembly

Industrial Cable Assembly

Durable, high-temperature resistant cables for industrial machinery and automation systems.

Automotive Wire Harness

Automotive Wire Harness

Precision-engineered harnesses for engine control, lighting, and infotainment systems.

Extruded Cable

Extruded Cable

Custom jacketed cables with UV, oil, and abrasion resistance for harsh environments.

Circuit Connection Test

Tested Wiring Systems

Fully tested assemblies with 100% continuity and insulation resistance verification.

Automotive Assembly Board

Automotive Assembly Board

Integrated wiring boards for vehicle ECUs and control modules.

Wire Warehouse

High-Density Harness

Compact, multi-wire harnesses for space-constrained applications.

Data Cable Assembly

Data Cable Assembly

High-speed data transmission cables with shielding for noise reduction.

Power Cable Assembly

Power Cable Assembly

Heavy-duty power cables with high current capacity and safety certifications.

Industries We Serve

Providing cable and wire harness solutions for virtually any industry.

Automotive Industry

Cable and wire harness assemblies are widely used in the automotive industry for power and signal transmission between engine systems, lighting, sensors, and infotainment units.

Industrial Equipment

Essential components in industrial machinery, automation systems, robotics, and control panels requiring durable and reliable electrical connections.

Telecommunications & Computer Tech

Used in data centers, networking hardware, servers, and communication devices where signal integrity and high-speed performance are critical.

What Our Clients Say

"I wanted to reach out and say thank you for your quick response. We were able to find out that the Rev C cables were the only ones affected and those were made by our previous supplier. We appreciate your attention to detail and your factory's high quality, superior service."

Joe

American Customer

"Thank you for all the great work you have done for our company. You and Sinnhong are a great partner that has helped us grow. We look forward to a very busy and prosperous 2022."

Tony

American Customer

"I was thoroughly impressed with the quality of the cable assemblies. They met our exact specifications and delivered on time. Highly recommended!"

Frank

German Customer

Get in Touch

Ready to start your next project? Contact SINNHONG today for a quote or technical consultation.

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