White streamlined cabin, decorated with blue stripes, on 15 December, first train of urban rail transit line No.2 was unveiled, which marked the transition from construction stage to test stage of rail transit line No.2.

The bulge at the front of the train is like the bulge on head of finless porpoise, the round head lights are like living big eyes of finless porpoise. The slightly curved tail lights are like smiling mouth of finless porpoise. On the sides of the train, stripes extend to the upper part, like finless porpoise jumping out of the water.

The total length of urban transit line No.2 phase 1 project is 20.85 km. It connects Chongchuan district and Tongzhou district in ‘L’ shape. There are in total 17 underground stations.