Young technician Chang Hanqing and war hero Jin Canlan dedicate their lives to developing and innovating electric locomotives in the new China.
Jin Canlan
Chang Hanqing
Jiang Haiyang
Sun Maocai
Qi Bangyuan
Chang Junbo
Chang Hankun
Liao Yimei
Yao Huamin
Bai Manning
Feng Shigao
An Sheng
