This is China unicom in chongqing jiangbei, Whener you walk , you can see the activity bulletin board rolling from China unicom, so you can quickly to know china unicom's recent activities.

Construction is booming in Chongqing. In the Jiangbei district, work on a high-rise apartment complex called Zhujiang Taiyang is under way.

One of my colleague found one and he tracked a long way from Sha Ping Ba to Jie Fang Bei and then to Jiang Bei to exchange this note at the major stores in Chongqing.