Wang, as a train inspector, and his wife, who reviews maintenance videos, work diligently, often into the night, to address and repair train faults. This includes critical issues such as water damage in display screens and malfunctioning antennas.

They take great pride in their work, demonstrating excellence and a profound sense of responsibility. This story illuminates the crucial behind-the-scenes efforts that ensure the smooth operation of the "Hulk" – affectionately named for its green hue and impressive size, paying tribute to China's industrial legacy.