Qujing snack wholesale market is located in Jinniutang. Jinniutang, near Nanchengmen Square. When you go to Nanchengmen Square, you can see a food and culture street (with a signboard, which is very conspicuous). Go down that street and you will see the wholesale shop of daily necessities and non-staple food you are looking for, which is a concentration point. (Or ask passers-by, as everyone in Jinniutang knows).