May 9th, the 2025 Xiamen Industrial Fair and Cross-Strait Machinery & Electronics Trade Show (hereinafter referred to as the “Xiamen Industrial Fair”) grandly opened at the Xiamen International Expo Center. As a key exhibition in the field of intelligent manufacturing and new energy technology, this year’s event focused on cutting-edge industries such as industrial automation, electronic information, and smart construction.

KING LONG United Automotive Industry Co., Ltd. (hereinafter “KING LONG”) unveiled its 49-ton fuel cell semi-trailer tractor, which won the First Prize of Xiamen Science and Technology Progress Award in 2024, captivating the audience with its advanced technological capabilities. The hydrogen energy heavy-duty truck marked a significant step toward industrial-scale commercialization of new energy trucks.

For years, traditional heavy trucks have been labeled as “high-pollution” and “high-energy-consuming.” Developing hydrogen energy trucks has become one of China’s critical paths to achieving carbon neutrality goals. KING LONG began strategically investing in hydrogen energy technology research as early as 2010, actively responding to national new energy strategies. The showcased hydrogen fuel cell truck not only embodies over a decade of technical accumulation but also demonstrates the pinnacle of Chinese “intelligent manufacturing” through its upgraded ”Yidong 5.0″ intelligent control system.
The fuel cell semi-trailer tractor is based on KING LONG’s independently developed KH01 new energy heavy-duty truck platform. By integrating high-power fuel cells, large-capacity hydrogen supply systems, and efficient drive systems, it overcomes challenges in integrated vehicle design for long-range hydrogen fuel cell trucks. Combined with the self-developed ”Yidong 5.0″ control system, it achieves efficient hydrogen-electric energy management and innovative multi-step low-temperature rapid cold-start technology, ensuring quick startup in -30°C environments. The model supports 10-15 minute fast refueling and boasts a 500-kilometer range, significantly enhancing refueling efficiency and long-distance transport capabilities.

Targeting high-frequency heavy-duty scenarios like port logistics, mining transportation, and trunk logistics, the truck offers zero emissions, high safety, and extended range—providing practical green solutions for energy-intensive transportation sectors. Driven by policy support and market demand, hydrogen fuel cell trucks are becoming a vital direction for new energy commercial vehicles.
At the Xiamen Industrial Fair, KING LONG showcased not just a vehicle but a complete solution covering R&D, application, and scenario implementation. As the hydrogen energy ecosystem matures, KING LONG will continue to innovate, driving scaled commercialization of hydrogen fuel cell trucks and injecting new momentum into the high-quality development of China’s new energy commercial vehicle industry.
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