Ping Zhang

Zhou Ming-Ying

Qi Zhang

Hai Li

Yan Wang

Huang Liang

Ying Zhang

Li Hai

Ke Chen

Teacher Sun

Ruqiu Ouyang

Zhou's wife

于彦夫

Wang Jing-Sheng

Ping Gao

Zhao Gu-Liang

Wang Jiayi

Mou Te

Bike Wu

Machine repairer

Xiaofei Sun

李慧颖

Worker representative

Yiqing Yin

Teacher Fang