Qinglong Coal Mine in Liulin County, founded in 1972, located in Lvliang City, Shanxi Province, is a wholesale-oriented enterprise.

Sandaogou Coal Mine is a typical modern underground coal mine of the National Energy Group in Shanxi, Shaanxi and Mongolia. It is located on the Shaliangchuan floodplain, 43 kilometers northwest of Fugu County, Yulin City, where the Yellow River enters the first bay in Shaanxi. The administrative area has jurisdiction over Miaogoumen, Sandaogou, Laogaochuan and Dachangchang in Fugu County, with a mine field area of 176.5438+03 square kilometers and a resource reserve of 65438+. The mine is rich in coal resources, stable in occurrence, simple in geological structure, and adopts adit-type development and zoning ventilation. * * * There are seven minable coal seams, and the main coal seams are 5-2 and 5-2, which belong to high-quality power coal with low ash, low sulfur and low phosphorus, and the coal seam gas content is low.