One auto dealer in Changchun, Jilin province saw a boosting sales thanks to Double 12 shopping promotion on Dec 12, with as much as 30 percent in discounts on selected items.

The promotion unveils the year-end sales and is expecting a surge in car purchases.

Potential customers checking a car selling at 20-percent off.[Photo by Xu Chang/Xinhua]

Big car sale gets more potential customers to come take a look.[Photo by Xu Chang/Xinhua]