2. East China: Shanghai, Jinan, Nanjing, Hefei, Hangzhou, Fuzhou, Xiamen and Qingdao.
3. Central China: Wuhan, Zhengzhou, Changsha and Nanchang.
4. South China: Guangzhou, Shenzhen, Nanning, Haikou and Dongguan.
5. Southwest China: Chengdu, Chongqing, Guiyang and Kunming.
6. Northwest China: Xi, Lanzhou, Urumqi, Yinchuan and Xining.
7. Northeast China: Shenyang, Changchun and Harbin