A 250-kilometer-per-hour double-deck high-speed train was born

[AndrewJin]

CRRC Zhuzhou's new intercity tested in Hainan Island

That was more than half a year ago...
Dunno where it is being tested now...

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It appear that that double-layer high-speed train is recognized by the railway head office already available.

3X series? The one with different types of compartments flexibly coupled together....

Differentiated competition, meet different needs

Also must consider cooperation.....
All future trains are required to have standardised coupling function.......

CRRC Zhuzhou train and CRRC Puzhen train tested together......