And that's what Chinese steel does. Fail.
They've only been able to make ball point pens, with a proper round steel ball, for a decade!
Anshan Iron and Steel: https://www.steelorbis.com/steel-news/latest-news/ansteel-co...
Panzhihua Iron and Steel: https://news.metal.com/newscontent/101439663/The-exclusive-s...
Baotou Iron and Steel: http://innermongolia.chinadaily.com.cn/baotou/2020-01/03/c_4...
Wuhan Iron and Steel: https://www.marketscreener.com/quote/stock/WUHAN-IRON-AND-ST...
Handan Iron and Steel: https://www.gneesteel.com/news/industry-news/hbis-successful...
Sounds like a dangerous railway, then.
That said, clearly they've just been lucky. Sadly, it won't last, and people will pay the price.
Because Chinese steel is junk.