Ping Zhang

Zhou Ming-Ying

Qi Zhang

Hai Li

Ying Zhang

Li Hai

Ke Chen

Teacher Sun

Ruqiu Ouyang

Zhou's wife

Ping Gao

Zhao Gu-Liang

Bike Wu

Machine repairer

Xiaofei Sun

Li Huiying

Worker representative

Yiqing Yin

Teacher Fang