From which city did Jiang Cheng go to Anshan?

Chongqing. In the third chapter of the novel Run Wild, Jiang Cheng was abandoned by his biological parents and gave it to others, but he was discharged at the age of seventeen. Jiang Cheng came to the steel mill in Anshan, Northeast China from Chongqing alone. At the end of Run, Jiang Cheng and Gu Fei get along well. One becomes a legal consultant and the other becomes a photographer's assistant, and they settle in a new city. At that time, Jiang Cheng pulled Gu Fei forward. In the end, Gu Fei got better grades in the college entrance examination because of Jiang Cheng, and finally went to a normal school, which made their life full of light.