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China Tests World’s First 35,000-Ton Heavy-Haul Wireless Group Train

The test of a 35,000-ton heavy-haul group train has been successfully completed on the Baoshen Railway in Inner Mongolia, China, marking the world's first multiple freight trains operation relying solely on wireless signals.

The core challenge of this test was enabling seven 5,000-ton freight trains to run connected without using traditional mechanical couplings. Instead, with China’s independently developed intelligent system, the seven trains were able to accelerate and brake simultaneously through wireless signaling, completing the entire journey without collisions or separation.

This system was jointly developed by China Shenhua and several other organizations, representing a technological achievement of China’s independent innovation.

With the success of this test, China can increase freight capacity by more than 50% without building new railways, while also providing a Chinese technological solution to help address global challenges in rail freight transport.

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