How much can a coal mine with an annual output of 300,000 t earn in Hunan Province?

More than 6 million. A coal mine with an annual output of 300,000 tons can produce about 25,000 to 26,000 tons per month. If the profit per ton 150 yuan goes to 200 yuan, the coal mine can earn about 200,000 to 230,000 yuan every month, and it can earn more than 6 million yuan. Coal mines are areas where human beings exploit coal resources in rich coal mining areas, which are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far away from the surface, it is generally chosen to dig tunnels underground for coal mining, which is an underground coal mine.