What is the name of the world's fastest high-speed train prototype unveiled by China?

What is the name of the world's fastest high-speed train prototype unveiled by China?

چین کی جانب سے دنیا کی تیز ترین تیز رفتار ٹرین کے پروٹوٹائپ کا نام کیا ہے؟
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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