The three customer service centers are:
1. Chengnan Customer Service Center: 19 Yingtian Street. 30 1, 1 18, Nanjing Line, Nanguang Line and No.27 Guangka Road Station.
2. Local Customer Service Center: No.8-34, Li Xinan Block. Get off at sanshanjie station on Metro 1, 4, 7, 2, 4, 37, 40 and 62, or take 100, 35 and 38 to Shengzhou Road Station.
3. Chengbei Customer Service Center: No.322-1,Maigao Bridge and Yan Road. Subway 1 Line, Tour 1, Tour 3, 146, 79, 66, 40, 24, 74, Zhounan Line, Liuyu Line and Yuge Line and get off at Maigaoqiao Station.