6) "Finally, there are the new versions code-named CRH2-350 and CRH3-350. I was hard on these too, because 380 km/h max is planned, even though sources (f.e. Chinese Wikipedia) say that tests are planned only up to 400 km/h, not 418 km/h."

The passage you are referring to in the Wiki article says:

"最高試驗速度400km/h以上"

which means: highest test-speed above 400km/h.

NOT : .... up to 400km/h