2nd LD-Writethru-China Focus: China debuts prototypes of world's fastest high-speed train

BEIJING, Dec. 29 (Xinhua) -- Prototypes of the CR450 bullet train, with a test speed of up to 450 kilometers per hour and an operational speed of 400 kilometers per hour, were debuted in Beijing on Sunday, highlighting China's cutting-edge advancements in rail technology and contributions to the global rail industry.

The CR450 is significantly faster than the CR400 Fuxing high-speed trains currently in service,