West China and Northeast China based on their economic development according to relevant standards issued by National Bureau of Statistics of the PRC: East China consists of 10 provinces and municipalities directly under the central government, namely Beijing, Tianjin, Hebei, Shanghai, Jiangsu, Zhejiang, Fujian, Shandong, Guangdong and Hainan. Central China consists of 6 provinces, namely Shanxi, Anhui, Jiangxi, Henan, Hubei and Hunan. West China consists of 12 provinces, municipalities directly under the central government and autonomous regions: Inner Mongolia, Guangxi, Chongqing, Sichuan, Guizhou, Yunnan, Tibet, Shaanxi, Gansu, Qinghai, Ningxia and Xinjiang. Northeast China consists of 3 provinces: Liaoning, Jilin and Heilongjiang. Standard for industrial stratification: Business entities are divided into eighteen major industry categories according to the statistical standard issued by National Bureau of Statistics of the PRC. Based on the similarities and differences in the use of Internet by industries, CNNIC combines the eighteen major industry categories into nine industry categories: No. Industry name Agriculture, forestry, animal husbandry, and fishing Mining 1 Production and supply industries for electric power, fuel gas and water 2 Manufacturing Construction 3 Transportation, storage and postal industries Information transmission, computer service and software 4 Finance Leasing and commercial service 5 Wholesale and retail 114 6 Accommodation and catering The 39th Statistical Report on Internet Development in China