According to the mineral resources planning of Guizhou Province issued by Guizhou Provincial Department of Natural Resources, Leishan Mining in Changshun County is still engaged in the mining and smelting of gray silicon. Gray silica is an important mineral resource, which is widely used in construction, chemical industry, metallurgy and other industries. Leishan Mining abides by the relevant regulations of environmental protection and safe production in the mining process to ensure the sustainable utilization of resources.