
Engineered for Reliability.
Proven in the Extreme.
High-performance wiring harnesses for New Energy Vehicles, Rail Transit, and Heavy Machinery. Trusted by global leaders like CRRC, Sany, and Zoomlion.
Why Choose YongRui?
Our harnesses are not just reliable — they're proven in the world's most demanding environments, from frozen plateaus to humid tropics.
Extreme Durability
Engineered for -40°C to +125°C, continuous vibration, and IP67/IP68 sealing. Proven on China's 45,000km high-speed rail network.
Advanced Manufacturing
20+ automated lines, ultrasonic welding, and 5-in-1 electrical testing ensure zero defects and consistent quality.
Full Traceability
Every harness has a unique Digital ID QR code. Track raw materials, crimping data, and inspection reports instantly.
YongRui in Action
Watch how we engineer and manufacture high-performance wiring harnesses for the world's most demanding applications.
YONGRUI GROUP
MANUFACTURING EXCELLENCE
Our Solutions
Customized wiring systems for critical applications

Rail Transit Systems
LSZH compliant harnesses for high-speed trains and metro cars.

New Energy Vehicles
High-voltage battery cables and motor controller harnesses.

Heavy Machinery
Robust solutions for excavators, cranes, and mining equipment.

Custom Solutions
We support OEM/ODM projects. Send your drawing or specification.
Precision in Every Connection
At YongRui, quality is the cornerstone of our business. We implement a full-lifecycle quality management system covering R&D, procurement, production, testing, and service.
IATF 16949, ISO 9001, GJB 9001C, UL, VDE, CCC
Meeting rigorous standards for EU, US, and Asian markets.

Trusted by Global Leaders
Our wiring harnesses are trusted by the world's leading manufacturers in rail, automotive, and industrial sectors.






And many more leading manufacturers trust YongRui for their wiring harness solutions
Common Questions About YongRui
Find answers to frequently asked questions about our wire harness manufacturing capabilities, certifications, and services.
Q1What industries does YongRui Group serve?
YongRui Group specializes in custom wire harness manufacturing for three main industries: New Energy Vehicles (EV) including high-voltage battery cables and charging systems, Rail Transit including high-speed trains and metro systems (serving China's 45,000km high-speed rail network), and Heavy Machinery including construction equipment for brands like Sany and Zoomlion.
Q2What certifications does YongRui Group hold?
YongRui Group is IATF 16949 certified (automotive quality management) and ISO 9001:2015 certified. These certifications ensure our wire harnesses meet the highest international quality standards for automotive and industrial applications.
Q3What is the operating temperature range of YongRui wire harnesses?
YongRui wire harnesses are engineered to operate in extreme conditions with a temperature range of -40°C to +125°C. They also feature IP67/IP68 sealing for water and dust resistance, and are designed to withstand continuous vibration in demanding environments.
Q4Who are YongRui Group's major clients?
YongRui Group serves global industry leaders including CRRC (China Railway Rolling Stock Corporation - the world's largest rolling stock manufacturer), Sany Heavy Industry, Zoomlion, and numerous New Energy Vehicle manufacturers.
Q5Does YongRui Group offer custom wire harness solutions?
Yes, YongRui Group specializes in custom wire harness solutions tailored to specific client requirements. We offer end-to-end services from design consultation to mass production, with capabilities in machining, sheet metal, welding, assembly, and complete wiring harness manufacturing.
Ready to Start Your Project?
As the official overseas sales office, we provide end-to-end support for international clients. Get a quote within 24 hours.
