The vast landscapes of Ningxia, often rendered silent and stark under the winter sky, require a unique kind of dedication to maintain the region’s vital transportation infrastructure. On the night of February 12, 2026, a team from the China Railway Lanzhou Bureau Group Co., Ltd. Zhongwei Work Section, Zhongwei South High-Speed Railway Line Workshop, undertook critical maintenance work on the high-speed rail line near Hongsibu District. The operation highlighted the often-unseen efforts required to keep China’s extensive high-speed rail network running smoothly, even when technology falters.
The team’s work focused on a repair section of the high-speed rail line in Hongsibu District. As they journeyed to the work site, they faced a common challenge in the remote terrain: the complete failure of mobile phone navigation systems. The landscape, a mix of Gobi Desert and hills, presented a disorienting maze even in daylight, becoming particularly treacherous under the cover of darkness. It was then that 35-year-traditional Cheng Genhong, a veteran of the railway, became an indispensable guide, earning the moniker “living map” from his colleagues, according to reports from Sina Finance.
This dedication to maintaining the Silver-Lanzhou High-Speed Railway is a constant during the Spring Festival travel season. According to Xinhua News Agency, on February 12th at 2:00 AM, with temperatures plummeting to -13 degrees Celsius, Li Peng, director of the Zhongwei South High-Speed Railway Line Workshop, meticulously checked the track gauge with an electronic gauge, recording the measurements with unwavering focus. The brief four-hour window between trains each night is considered “golden time” for essential repairs and inspections.
Precision Maintenance in Extreme Conditions
The work demands exacting precision. “The high-low deviation of the high-speed rail steel rails must be controlled within 1 millimeter,” explained Li Peng. “Ningxia’s significant seasonal temperature fluctuations cause the rails to expand and contract with every degree Celsius change. Our adjustments must be dynamic and precise.” This level of accuracy is crucial for ensuring passenger safety and a smooth ride.
The team’s commitment to innovation has also streamlined their processes. Last year, Li Peng and his team pioneered a “chord method” for track adjustment, replacing the traditional “rope method.” This novel technique reportedly increased curve adjustment precision by 60% and halved the time required for the procedure. The team is composed of young professionals, with an average age of 29, demonstrating a commitment to both experience and fresh perspectives.
Zhongwei Work Section: A Key Regional Hub
The China Railway Lanzhou Bureau Group Co., Ltd. Zhongwei Work Section, established on December 17, 2013, plays a critical role in the region’s railway operations. Located in Zhongwei City, Shapotou District, the section is responsible for railway passenger and freight transport, equipment maintenance, and engineering construction, according to Baidu Baike. As of April 2025, Zhang Jianbin served as the enterprise’s leader.
The work section has been actively involved in numerous bidding projects, exceeding 2,200, and recently secured new contracts for railway maintenance and standardization projects in April 2025. The company currently employs 1,518 people and holds 13 patents and 36 administrative licenses. However, records also indicate the presence of legal cases and potential business risks.
Challenges of Remote Terrain and Navigation
The difficulties encountered on the night of February 12th underscore the logistical challenges of maintaining infrastructure in remote areas. The loss of GPS signal, combined with the confusing network of temporary access roads, highlights the reliance on local expertise and the importance of experienced personnel like Cheng Genhong. The situation illustrates the need for robust contingency plans and a deep understanding of the terrain.
The reliance on a “living map” in the 21st century is a testament to the enduring value of human knowledge and adaptability, even in an age of advanced technology. It also speaks to the dedication of the railway workers who ensure the safe and efficient operation of this vital transportation network.
Looking Ahead
The China Railway Lanzhou Bureau Group Co., Ltd. Zhongwei Work Section will continue its essential maintenance and upgrade work on the Silver-Lanzhou High-Speed Railway. Further details regarding the new railway maintenance and standardization projects awarded in April 2025 are expected to be released in the coming weeks. The ongoing commitment to innovation and precision will be crucial in maintaining the safety and reliability of this critical transportation artery.
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