Chengdu metro line 7 is a circular line composed of inner ring and outer ring. Along the line, it connects three important transportation hubs, namely north railway station, east railway station and south railway station, and forms transfer relations with the urban rapid rail transit and the urban rail transit radiation.The total length of the line is 38.61km. There are 31 underground stations. Among them, there are 18 transfer stations, and three stations (Chengdu east passenger station, Liulichang station, Taiping garden station) which are third-line transfer stations.The maximum station spacing is 2.206km, and the minimum station spacing is 0.719km, and the average station spacing is 1.246km.The control center is located at Cuijiadian station of line 7 next to subway line 5, 6 and 8.
After fierce competition, Chengdu metro line 7 owner finally chose the shear door provided by our company, with the total number of more than 700 sets. And it is expected to open by the end of 2017.