| DATE | VENUE | BOOTH |
September 22–25, 2026 | Berlin, Germany | H12-330 |
InnoTrans 2026, the international trade fair for transport technology, will take place in Berlin, Germany, from September 22 to 25, 2026. As a major international platform for the rail transit industry, InnoTrans brings together companies and professionals from around the world to showcase new technologies, products, and applications.
At this year’s event, Yonggui Electric will present a range of rail transit connection products at Booth H12-330. Key exhibits will cover applications including onboard equipment, underfloor systems, high-voltage and high-current transmission, and train coupling. We look forward to exchanging insights with customers and industry partners worldwide on the application and development of rail transit connection technologies.
Addressing the requirements of different rail vehicle systems for space utilization, environmental adaptability, and connection reliability, Yonggui Electric will highlight the following products at the exhibition.
HDC-AL / HDC-BL Series
HDC-AL Series Featuring an aluminum alloy housing that combines lightweight construction with protective performance, the series is suitable for electrical connections inside trains, in control panels, and in underfloor systems. |
HDC-BL Series With a more compact structure, the series is suitable for space-constrained areas and wiring connections beneath control panels, driver’s desks, and similar locations. |
Lightweight | Compact Design | IP67 |
Different configurations can be selected according to the installation position and available wiring space, providing more targeted connection options for onboard and underfloor equipment.
GTC Series
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The GTC Series uses engineering-plastic insulators and silver-plated copper alloy contacts. Designed for electrical connections in rail vehicles, the series combines essential electrical performance with structural strength and stable contact performance.
YG399 / YG644 Series
Designed for high-voltage and high-current transmission in rail vehicles, the YG399 and YG644 Series focus on current-carrying capacity, protection performance, and adaptability to complex environments.
YG399 Series
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YG644 Series
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With products available in different voltage and current ratings, the two series provide additional options for high-voltage and high-current connections in rail vehicles and related equipment.
1500 V | 200 A / 250 A | IP67 | −55°C +125°C |
196-Pin Electrical Coupler
The 196-pin electrical coupler is used in the fully automatic coupler system of China-standard EMUs for signal transmission during train coupling.

Multiple Signal Integration
| Applications and Protection
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Rail transit equipment continues to evolve toward greater efficiency, reliability, and integration, placing higher demands on connection technologies.
Yonggui Electric has long been committed to the rail transit sector, continuously enhancing its connection products and solutions for different vehicle systems and application scenarios. At InnoTrans 2026, we look forward to engaging with more industry partners, gaining a deeper understanding of real-world application needs, and exploring new possibilities for rail transit connection technologies.
September 22–25, 2026 · Berlin, Germany
Yonggui Electric | Booth H12-330
We warmly invite you to visit our booth and look forward to meeting you in Berlin.