Southern coastal region:Guangdong, Fujian, Hainan, Guangxi
Eastern Coastal region:Shanghai, Jiangsu, Zhejiang
Northern coastal region:Beijing, Tianjin, Hebei, Shandong
Northeast region:Liaoning, Jilin, Heilongjiang
Northweast region:Gansu, Xingjiang, Xizang, Ningxia, Qinghai
Southwest region:Sichuan, Chongqing, Guizhou, Yunnan
Middle and lower reaches of Yangtze River:Hubei, Huann, Jiangxi
Middle and lower reaches of Yellow River:Shanxi, Henan, Inner Mongolia