义马煤业集团股份有限公司石壕煤矿于1984年12月28日建成投产,原设计生产能力60万t/a,后经环节改造,现在核定生产能力90万t/a。主要产品为主焦煤,发热量21.35 MJ/kg,工业储量为6 121.1万t,可采储量为2 732.2万t。矿井开采山西组二,煤层,为低沼矿井,通风方式采用混合式负压通风, Yima Coal Group Co., Ltd. Shihao coal mine was completed and put into production on December 28, 1984, the original design production capacity of 600,000 t / a, after the transformation, now approved production capacity of 900,000 t / a. The main products are mainly coking coal, with a calorific value of 21.35 MJ / kg, industrial reserves of 61.21 million tons and recoverable reserves of 27.322 million tons. Shanxi mine mining two groups, the coal seam for the low marsh, ventilation using a combination of negative pressure ventilation,