Tech on track: 5 years of Beijing-Harbin HSR

A staff member from China Railway Beijing Group Co., Ltd. troubleshoots a power supply fault in the high-speed rail overhead contact line, Jan. 20, 2026. [Photo by ZhangYuxin/China.org.cn]

From intelligent driving support to precision maintenance, continuous improvements in technical standards have strengthened the railway's role as a vital corridor linking the Beijing-Tianjin-Hebei region with Northeast China, injecting fresh momentum into regional connectivity and coordinated development.