Some supermarkets have them. I have met them, but I can't remember them. Anyway, these are:

Carrefour (near March 8th Square), Tesco (east of Labor Park), Youjia (near Taoyuan Street),

Did Wal-Mart notice?

On the north side between Friendship Square and Zhongshan Square, there is a sporting goods store. There used to be China chess, but now I don't know.