What is Master Zeng Yuxiang’s only regret while working at a mixing plant in West Germany?

Not giving your family more company.

Zeng Yuxiang is currently the deputy director of the Shield Maintenance Center of China Railway First Bureau Urban Rail Company. He has been working for more than 30 years and has served as a technician in the Fifth Company, Fourth Company, Xinyun Company, and Urban Rail Company of China Railway First Bureau, responsible for the electrical and mechanical repair and maintenance of large equipment.