B Beijing, Berlin , Birmingham
D Dalian, Dongguan, Dortmund, Dusseldorf
E Essen
H Hangzhou, Harbin, Hefei, Hong Kong , Hamburg , Hannover
J Jinan
M Munich, Manchester
N Nanjing, Ningbo, Nuremberg, New Delhi
Q Qingdao
S Sanya, Shanghai, Shenyang , Shenzhen , Suzhou , Stuttgart
U Urumqi
W Wenzhou
Y Yiwu