⊕
Beijing
⊕
Changsha
⊕
Chengdu
⊕
Chongqing
⊕
Dalian
⊕
Guangzhou
⊕
Guilin
⊕
Hangzhou
⊕
Jinan
⊕
Kunming
⊕
Nanjing
⊕
Nanning
⊕
Qingdao
⊕
Shanghai
⊕
Shenyang
⊕
Tianjin
⊕
Urumqi
⊕
Wuhan
⊕
Xi'an
⊕
Hohhot
