The joint commissioning and test of Chongli railway is advancing steadily

Zhangjiakou news of Great Wall network (reporter Zheng Shifan correspondent Qu Zhizhong) on November 19, cr400bf-g-5138 + 5137 multiple unit was tested in Chongli railway project. On the same day, the second company of China Railway 20th bureau undertook the construction of the 52.8km rail project of Chongli railway, which was steadily advanced through the way of multiple unit round-trip operation, step-by-step speed-up test and dynamic detection, laying a solid foundation for the completion as scheduled. It is reported that Chongli railway is the most convenient passenger transport channel in Chongli District of Zhangjiakou for the 2022 Winter Olympics in Beijing.