East China Area  Fuzhou

Fujian、Zhejiang、Jiangxi、Guangdong、Hainan

South China Area  Wuhan

Hubei、Hunan、Anhui、Jiangsu、Shanghai

Northwest Area  Xi’an

Shanxi、Qinghai、Gansu、Henan、Ningxia、Inner Mongolia

North China Area Tianjin

Tianjin、Beijing、Hebei、Shanxi、Shandong、Liaoning、Jilin、Heilongjiang

Southwest Area Chengdu

Sichuan、Chongqing、Yunnan、Guizhou、Xizang、Xinjiang、Guangxi