North China: Beijing, Tianjin, Hebei, Shanxi, and Mongolia
Northeastern region: Liaoning, Jilin, and Heilongjiang
East China: Shanghai (Shenzhou), Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, and Shandong
Central China: Henan, Hubei, Hunan
South China: Guangdong, Guangxi, Qiong
Southwest region: Chongqing, Sichuan (Shu), Guizhou (Guizhou), Yunnan, and Tibet
Northwest region: Shaanxi (Qin), Gansu, Qinghai, Ningxia, and Xinjiang
Hong Kong, Macao and Taiwan
Purpose: Get a certificate