Implementing Key Management in Beijing Subway (YanFang)
The Beijing Subway Yanfang Line (BSYL) is the 19th urban railway transit line built and operated in Beijing, China. It is China’s first self-developed fully automatic subway line. BSYL, a public organization that provides mass transportation services via rail to the 1,100,000 people of FangShan District, is a system that runs 18 hours a day, […]