Young technician Chang Hanqing and war hero Jin Canlan dedicate their lives to developing and innovating electric locomotives in the new China.
Jiang Xin
Tong Dawei
Edward Gu
Li Ya-nan
Athena Chu Yan
Li Huan
Liang Aiqi
Michelle Bai
Li Jie
Xu Xiaosa
Zhao Da
Xu Baiyun
