Heilongjiang, Jilin, Inner Mongolia, Ningxia, Gansu, Qinghai, Xinjiang, Tibet, Guizhou, Yunnan and Hainan. National secondary level

Independent proposition of other provinces and cities

Shanghai, Beijing, Tianjin, Chongqing, Liaoning, Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, Shandong, Hunan, Hubei, Guangdong, Sichuan and Shaanxi.