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

Worker

Lu Fei

Engineering department head

Xiaofei Sun

Worker

Feng Jin

Military delegate

Chunying Wang

Worker

Lin Na

Radio announcer

Wang Lifu

Technology section head