The coal price guaranteed by the state varies from region to region. The price of coal in the guaranteed coal supply areas stipulated by the state is different. The coal price in Shijiazhuang, Hebei Province is 3 100 yuan/ton, Sanming, Fujian Province is 3,300 yuan/ton, Yichun, Jiangxi Province is 2,875 yuan/ton, and Zhumadian, Henan Province is 2,500 yuan.