Boston's #RedLine subway train developed by China’s CRRC unit was officially put into operation on Wed

[Hamartia Antidote]

which may be the reason that one has to go as far back as last decade to find a fatal accident.

Just because I mentioned Wenzhou doesn't mean there hasn't been other train fatalities.

A simple search can pull up examples.
I don't know why you both are coming to this conclusion about Wenzhou.

Here's an example from 2019 of a derailment with fatalities:

4 killed, 2 missing after freight train derails, ploughs into house

Search continues for two people trapped in wreckage after train carrying aluminium ore runs off track on Wednesday night.

www.scmp.com

which may be the reason that one has to go as far back as last decade to find a fatal accident.

So why did you post this statement? Maybe you are the one who is actually misinformed since you are under the mistaken impression that there has been no fatal accidents for at least a decade.

So what are the causes of train derailments in China...