Which country launched the CR450 prototype, the world’s fastest high-speed train?

Which country launched the CR450 prototype, the world’s fastest high-speed train?

کس ملک نے دنیا کی تیز ترین تیز رفتار ٹرین سی آر چار سو پچاس پروٹو ٹائپ لانچ کی؟
Explanation

China launched the CR450, the fastest high-speed train, reaching 450 km/h in tests and 400 km/h commercially.

It improves on the CR400 Fuxing, featuring advanced technology for speed, energy efficiency, and passenger comfort.

The train supports China’s goal to expand its rail network to 70,000 km by 2035.

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