The two trains pictured:
More info about (and photos of) the driver, Han Junjia:
https://global.chinadaily.com.cn/a/202012/28/WS5fe93034a31024ad0ba9ed9b.html
http://en.people.cn/n3/2018/1205/c90000-9525433.html
They were built mostly by the Tangshan Locomotive and Rolling Stock Works between 1960 and 1999.
damn they kept that SY in production for a while
Everything about trains and railroads
damn they kept that SY in production for a while