hengshan tianyun coal mine co., ltd. is located in yulin city, shaanxi province.the current production capacity of the mine is 600000 tons, the planned production capacity is
900000 tons, the mining area is 67.12 square kilometers, and the reserves are 130 million tons. the product has the characteristics of low ash, low moisture, ultra-low sulfur, medium phosphorus and high calorific value. it is a good power, coking and low-temperature carbonization coal. due tothe excellent quality of the product, it has been maintaining a good profitability for several years. at present, as the main body of resource integration, the company will integrate the surrounding shenshipan resources and some resources of shiwan mining area to build a new tianyun coal mine.