Directed by Wang Bin
Written by Min Yu
Factory workers in 1947 repair a bridge over Song Hua River so that Communist forces can use it.
Chen Qiang
Hou Zhan-Xi
Defu Du
Xi Bo-Xiang
Jiang Hao
Chief engineer
Wang Jiayi
Liang Ri-Sheng
Lü Ban
Factory Director
Yang Yu
Wu Yizhu
Jingping Zhang
Worker
Yin Liang
Lu Fei
Engineering department head
Xiaofei Sun
Feng Jin
Military delegate
Chunying Wang
Lin Na
Radio announcer
Wang Lifu
Technology section head
